This section includes 7 InterviewSolutions, each offering curated multiple-choice questions to sharpen your Current Affairs knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Name the enzyme present in saliva and why it is important |
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Answer» The ENZYME present in the saliva is SALIVARY AMYLASE or PTYALIN. |
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| 2. |
Jupiter is the most massive planet in the solar system. Earth has much less mass than Jupiter, and Mercury has much less mass than Earth. Suppose a spaceship was orbiting at a distance of 20,000 km above the surface of Jupiter. How far away from Mercury would the spaceship have to orbit to experience the same gravitational force?A.Exactly 20,000 km away.B.Less than 20,000 km away.C.More than 20,000 km away.D.Halfway between Mercury and Jupiter. |
| Answer» C. more than 20000 KM AWAY | |
| 3. |
Name the various kinds of cell layers which constitute the bark |
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Answer» The bark of a tree or a plant REFERS to all its TISSUES present OUTSIDE the vascular cambium. Bark is classified as outer bark and INNER bark. The outer bark is layered and is composed of dead tissues that primarily comprise phellogen or cork cambium and dead phloem KNOWN as rhytidome. On the other hand, inner bark features the secondary phloem tissues. |
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| 4. |
justify the statement that it is better to have colourblind father than to have colouredblind mother?. |
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| 5. |
The pollen grain represents aA) male sporophyte B) male gametophyte C) female sporophyte D) female gametophyte |
Answer» The pollen grain REPRESENTS a male gametophyte.Option: B Explanation:
Learn more about pollen grain Explain how the NUCLEUS from a pollen grain fertilize a female egg cell Explain how the male gametes in the pollen grain reaches the female gamete present in the ovule |
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| 6. |
If diploid chromosome number in a flowering plant is 12, then which one of the following will have only 6 chromosomes [CPMT 1984, 86]A) Endosperm B) Leaf cells C) Cotyledons D) Synergids |
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| 7. |
What is the importance of digestive juices in digestive system ? |
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Answer» Muscles of your STOMACH MIX the food with these digestive juices. PANCREAS. Your pancreas makes adigestive JUICE that has enzymes that break down CARBOHYDRATES, fats, and proteins. The pancreas delivers the digestive juice to the small intestine through small tubes called ducts. |
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| 8. |
Disadvantages of dams. |
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Answer» DISADVANTAGES of dams are - 1. FAILURE hazard. 2.limited service life. 3.environmental damage. 4.energy production is affected by amount of RIVER FLOW |
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| 9. |
Explain the process of formation of complex protiens |
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Answer» Hey......!!! :)) ✌️✌️ |
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| 10. |
What is meant by positive and negative tropic movements in plants and give example? |
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Answer» Hey friend, |
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| 11. |
Mention three features found only in plant cells and one found in animal cells? |
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Answer» PLANT cell 1) cell wall 2) chloroplasts 3) BIG vacuoles Animal cell 1) small vacuoles Hope it helps ya |
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| 12. |
Why may be the players consuming these foodstuffs ? |
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Answer» Mostly the players consume some foodstuffs during their play such as energy DRINKS, banana and glucose. Apart from that, they consume a BALANCED diet which CONTAIN HIGH amount of carbohydrates, proteins and vitamins. Even few of them can also consume CHOCOLATE daring their play because chocolate can provide them instant energy. |
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| 13. |
Define triple fusion?what is the product of the process what does this product develop into |
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Answer» Triple fusion - |
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| 14. |
How do biotic and abiotic factor affect crop production ? |
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Answer» The REASONS are there are some biotic factors like pest, insects and some sort of diseases. will affect the crop production. pest occur damage crop production by feeding. even THINGS like WEEDS is also affect crop production by competiting with important crop for use of nutrients and light. abiotic factors are nothing but temperature , wind, air, rain and etc. it HEAVILY affect the production by through natural disasters like droughts, and floods. so these are the reasons for the biotic and abiotic factor affect crop production. hope it HELPS. |
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| 15. |
Organelle involved in the conversion of green brinjal to violet |
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Answer» Its is Chromoplast that has VARIOUS colourful pigments. |
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| 16. |
What are the agents of pollination |
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Answer» Hey |
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| 17. |
Why are reptiles not dependent on water like amphibians? |
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Answer» Hii... |
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| 18. |
Explain how hereditary changes responsible for evolution |
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Answer» Here your ANSWER plz. |
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| 19. |
In pole beans, green pods (G) are a dominant trait, while yellow pods (g) are a recessive trait. A bean plant with a GG genotype is crossed with a second plant that has the gg genotype. If this cross produces 500 offspring, approximately how many of the offspring will have green pods? |
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Answer» All 500 OFFSPRING will have GREEN pods because green GG POD is a dominant TRAIT. |
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| 20. |
Difference between parasitic and epiphytic plants with examples |
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Answer» nteractions between organisms are important for the continuance of an ecosystem and enrichment of ecosystem biodiversity. Various types of INTERACTIONS can be seen in an ecosystem. Symbiotic interactions and parasitic interactions are significant among them. Some interactions are beneficial for both members involved in the interaction while some interactions are DRIVEN at the EXPENSE of one member. Epiphytes and parasites are two groups which show two such interactions. Epiphytes are defined as plants that grow on other plants; they depend on other plants for physical SUPPORT, without obtaining nutrients or without causing any harm. Parasites are defined as organisms that live on or in other organisms; they obtain nutrients and other requirements while causing loss or harm to the host organism. The key DIFFERENCE between epiphytes and parasites is that epiphytes only depend on other plants for physical support whereas parasites obtain nutrients and other requirements from their hosts. |
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| 21. |
What is respiration ? how does it occur ? |
| Answer» BREAKDOWN of glucose with the help of OXYGEN to PRODUCE energy | |
| 22. |
Draw glycolysis and krebs cycle |
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Answer» GLYCOSIS TAKES PLACE in cytoplasm Krebs CYCLE takes place in MITOCHONDRIA |
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| 23. |
In animals,the nose enables the exchange of gases between the environment and the organism. What comparable structure do plants possess?A.chloroplastB.granaC.stomataD.thylakoid |
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Answer» Stomata it has BEAN LIKE STRUCTURE which closes and opens. |
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| 24. |
How do carbohydrates proteins and fats gets digested in human beings |
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Answer» They are BROKEN down into SIMPLE SOLUBLE SUBSTANCE and then are ABSORBED |
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| 25. |
What are coralloid roots? |
| Answer» CORALLOID root is developed in Cycas. It is produced in clusters at the base of the stem and protrudes out over the ground. It is dichotomously branched and greenish brown in colour. It contains an algal zone in the cortex. This algal zone contains BLUE GREEN like Nostoc and ANABAENA, which grow in SYMBIOTIC association with coralloid root. | |
| 26. |
Name a clean fuel other than LPG and Natural gas |
| Answer» CNG works the same WORK and also non POLLUTING | |
| 27. |
Why are stomata mostly present on lower surface of leaves? |
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Answer» Upper layer of LEAF is made up of EPIDERMIS means it has a layer of cuticle.cuticle resists dessecation,infectionn and evaporation so it will not ALLOW the leaf to transpirate.If plant will not transpirate conduction of water will not occur.as a RESULT,plant may die so stomata is present on LOWER surface of leaves |
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| 28. |
Sa1 biology question paper 8th class 2018-2019 |
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Answer» HEY MATE.. Each SCHOOL will have DIFFERENT QUESTIONS ... |
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| 29. |
List down rules of naming organism |
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Answer» Scientific names follow a specific SET of rules. Scientists USE a two-name system called a Binomial Naming System. Scientists name animals and plants using the system that DESCRIBES the genus and species of the ORGANISM. The first word is the genus and the second is the species. |
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| 30. |
Cells are called dash of the organ |
| Answer» STRUCTURAL and FUNCTIONAL UNIT of LIFE | |
| 31. |
Rules of naming organism |
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Answer» Binomial nomenclature is naming of an ORGANISM. The scientific name of every organism should have TWO names- a GENERIC name and a specific name. Generic name should start with a capital letter and specific name should start with a SMALL letter. Both the names should italicized or underlined. |
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| 32. |
Which is a type of respiration in which alcohol is formed |
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Answer» In ALCOHOL CONDITION there is ANAEROBIC respiration takes PLACE |
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| 33. |
Which of the following is an artificial system? Pond, crop-field, lake, forest |
| Answer» POND and CROP -FIELD are ARTIFICIAL SYSTEM | |
| 34. |
coordination in body activities is achieved through - & - systems ? give the answers in fill in the blanks... |
| Answer» NERVOUS SYSTEM and HORMONES | |
| 35. |
Which hormone pklays an important part in the female body during pregnancy? |
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Answer» In pregnancy, estrogen is secreted by the placenta and MAINLY aims to stimulate the production of progesterone in the ninth month of pregnancy. An IMPORTANT role of estrogen is to FACILITATE the maturation of lungs, kidneys, adrenal gland, LIVER and bone density of the unborn baby |
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| 36. |
When are polymorphs and macrophages could be maximum in liver? |
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Answer» What does a high polymorph count in the blood mean? |
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| 38. |
Endosperm of gymnosperms represents :-1. Old sporophytic generation2. Gametophytic generation3. New sporophytic generation4. Only sporophytic generation |
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Answer» RIGHT ANSWER IS SECOND ONE GAMETOPHYTIC GENERATION |
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| 39. |
Explain the role of diffusion in nutrition , excretion , and respiration? (Only 2 points each) |
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Answer» Diffusion is important as it allows cells to get oxygen and nutrients for survival. In ADDITION, it plays a role in cell SIGNALING, which mediates organism LIFE processes.Diffusion is important for several REASON are ; it promotes cellular respiration - In order for cells to survive, they NEED oxygen. |
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| 40. |
Growth occurs when :-1. Anabolism is more than catabolism2. Catabolism is more than anabolism3. Catabolism and anabolism are equal4. Both (1) and (3) |
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Answer» ANABOLISM is CONSTRUCTION process so both 1 and 3 |
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| 41. |
Write in brief about the first intermediate and the final stage of the process of reproduction |
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Answer» In Marxian ECONOMICS, economic reproduction refers to recurrent (or CYCLICAL) processes.[1] Michel Aglietta views economic reproduction as the process whereby the initial conditions necessary for economic activity to occur are CONSTANTLY re-created.[2]Marx viewed reproduction as the process by which society re-created itself, both MATERIALLY and socially. |
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| 42. |
Which changes in dna should accumulate at a rate equal to the mutation rate |
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Answer» However, the mutation RATE does vary over the GENOME. Over DNA, RNA or a single gene mutation rates are CHANGING. When the mutation rate in humans increases certain health RISKS can occur. E.G; Cancer and other heredetary |
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| 43. |
Which amino acid has beta hydroxyl group in its side chain |
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Answer» Serine is ALANINE with a hydroxyl (–OH) group and cysteine is alanine with a sulfhydryl (–SH) group. Threonine has four carbons, with a hydroxyl group on the beta carbon. The beta carbon is NEXT to the one CONTAINING the ALPHA carbon (the alpha carbon has the amino group on it). |
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| 44. |
Which can multiply only in living cells of animals plants and bacteria |
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Answer» Are placed on the border line of LIVING and non-living. They are BACTERIA, Viruses,Protozoa, Fungi and Algae. Viruses reproduce inside a living organism. They can DEVELOP only inside the cells of thehost ORGANISMS (which may be an animal, plant or BACTERIUM). |
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| 45. |
3. Where in the human body would you find the body part popliteal fossa? |
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Answer» The area of depression located at the backof the knee joint is called the popliteal FOSSA. The SCIATIC nerve travels down the THIGH to the area of the popliteal fossa and at this point divides into the tibial and common peroneal nerves. |
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| 46. |
name the type of reproduction in which two individuals are formed from a single parental and identity of a parent is lost. |
| Answer» ASEXUAL REPRODUCTION | |
| 47. |
Will the impact of removing all the organism in a trophic level with different be different for different trophic levels ?Can the organism of a trophic level be removed without causing any damage to the ecosystem? |
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Answer» The impact of removing all the ORGANISMS in a TROPHIC LEVEL will be same. If the organisms of any trophic level be REMOVED it will certainlydamage the ecosystem. ... If snakes are removed then the number of frogswill increase which will disturb the entire ecosystem. |
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| 48. |
First aid for nose bleeding |
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Answer» Hii dear here is your answer |
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| 49. |
Generally how many ascospores are formed in one ascus ?1. 12. 23. 44. 8 |
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Answer» Generally 4 to 8 ASCOSPORES are produced...ascospores are produced by MEANS of sexual REPRODUCTION...they are formed inside the ASCUS of ASCOCARP...4 to 8 ascospores are formed... |
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| 50. |
How do we define taxa |
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Answer» It is the DIFFERENT LEVELS of systemmatic ARRANGEMENTS |
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