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This section includes InterviewSolutions, each offering curated multiple-choice questions to sharpen your knowledge and support exam preparation. Choose a topic below to get started.
| 1653. |
Question : What is the disadvantage of lead in petrol which is used as a fuel in modern automobiles? |
| Answer» SOLUTION :LEAD INCREASES the EMISSION of POLLUTANTS. | |
| 1654. |
Question : What is the dominant to recessive ratio in Mendel's monohybrid cross ? |
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Answer» 1:1 |
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| 1655. |
Question :What is the direction of micropyle in anatropous ovule ? |
| Answer» Answer :B | |
| 1656. |
Question : What is the diploid number of chromosomes in gorilla, chimpanzee and orangutan. |
| Answer» SOLUTION :48 CHROMOSOMES in all the THREE | |
| 1657. |
Question : What is the diploid chromosome number in a person suffering from down syndrome ? |
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| 1658. |
Question : What is the difference between the teeth of apes and the teeth of man? |
| Answer» Solution :The INCISORS of ape were pointed, canines were projecting, DIASTEMA was present and premolar teeth were 3 in NUMBER while in man canines do not project out, diastema is ABSENT and premolar teeth are 2 in number. | |
| 1659. |
Question : What is the difference between tachycardia and bradycardia? |
| Answer» SOLUTION :The faster heart rate over 100 beats PER MINUTE is called tachycardia, while the SLOWER heart rate below 60 beats per minute is called BRADYCARDIA. | |
| 1660. |
Question : What is the difference between stroke volume and cardiac output? |
| Answer» Solution :The AMOUNT of blood pumped out of ventricles of HEART at the TIME of each beat is called stroke volume, while cardiac output is the amount of blood pumped out of ventricles of heart during one MINUTE. | |
| 1661. |
Question : What is the difference between syngamy and fertilization? |
| Answer» Solution :Syngamy & fertilization both are more similar terms with a DIFFERENCE that syngamy refers to the PROCESS of fusion of two gametes FORMING zygote while fertilization refers to the process of being fertile. | |
| 1662. |
Question : What is the difference between Lorain dwarf and Frohlic dwarf? |
| Answer» SOLUTION :LORAIN DWARF is mentally normal while Frohlic dwarf is mentally abnormal. | |
| 1663. |
Question : What is the difference between layers and broilers? |
| Answer» SOLUTION :LAYERS are egg-laying while BROILERS are meat-yielding POULTRY BIRDS. | |
| 1664. |
Question : What is the difference between Gull's disease (Myxoedema) and Grave's disease? |
| Answer» SOLUTION :GULL's disease is caused due to hyposecretion of THYROXINE while GRAVE's disease is caused due to hypersecretion of thyroxine. | |
| 1665. |
Question : What is the difference between gross primary productivity and net primary productivity. |
Answer» SOLUTION :
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| 1666. |
Question : What is the difference between gaseous and sedimentary cycle? |
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Answer» SOLUTION :(a) Gaseous-Reservoir in ATMOSPHERE, Carbon/Nitrogen CYCLE (B) Sedimentary-Soil, e.g., PHOSPHORUS. |
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| 1667. |
Question : What is the difference between emigration and immigration? |
| Answer» Solution :Individuals LEAVING populations and moving out is called emigration WHEREAS individuals COMING into the POPULATION from outside is called immigration. | |
| 1668. |
Question : What is the difference between endemic and exotic species ? |
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Answer» SOLUTION :ENDEMIC species are RESTRICTED or native to a PARTICULAR GEOGRAPHICAL region. Exotic species are species which are introduced from other geographical regions into an area. |
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| 1669. |
Question : What is the differencebetweenendemic and exotic species ? |
| Answer» Solution :ENDEMIC species are RESTRICTED nativeto a particulargeographical region whereas exoticspecies are species whichare introuduced from othergeographical REGIONS into an AREA. | |
| 1670. |
Question : What is the difference between chordae tendinae and columnae carnae? |
| Answer» Solution :CHORDAE tendinate are CHORDS that connect bicuspid and TRICUSPID valves with the papillary muscles in ventricles while columnae carnae are series of irregular muscular ridges present on the INNER surface of the ventricles. | |
| 1671. |
Question : What is the difference between conventional agriculture practicesand modern agriculture practices |
| Answer» Solution :CONVENTIONAL agriculturalprcitces with the USE of locally avaiblabel good quality seeds compost manure and biofertislisers are more ecofriendly wherese modern AGRICULTURAL PRATICES ar casusing ecological damge due to enormous exploitatinn of naturearesources nd unmangeable amount of by prducts and wastes that are being constantaly added in to the atmosphere | |
| 1672. |
Question : What is the difference between anaemia and leukaenia? |
| Answer» Solution :ANAEMIA is disorder CAUSED due to the deficiency of haemoglobin while leukaemia is BLOOD cancer in which there is abnormal INCREASE in the NUMBER of white blood cells. | |
| 1673. |
Question : What is the difference between centromere and telomere? |
| Answer» SOLUTION :CENTROMERE is the point where two chromatids are held TOGETHER WHEREAS TELOMERE is the tip of a chromosome. | |
| 1674. |
Question : What is the difference between a primary oocyte and a secondary oocyte? |
| Answer» SOLUTION :In pregnancy, mother egg cell isin prophase - 1 in ovary primary oocyte is formed. In maturation, haploid primary oocyte TRANSFORMS into haploid secondary oocyte by completing MEIOSIS and meiosis completes and female gametes (OVUM) is produced. | |
| 1675. |
Question : What is the difference between a breed and a species ? Give an example for each category. |
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Answer» Solution : A GROUP of animals related by descent and similar in most characters like general appearance, features, size, CONFIGURATION, etc., are said to belong to a breed. Hisardale is a NEW breed of sheep. A group of individuals that is reproductively isolated from other such group is called species. For examples, PANTHERA leo (lion) and MANGIFERAINDICA are different species. |
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| 1676. |
Question : What is the difference between a breed and species? Give an example for each category. |
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Answer» Solution :Breeds are different varieties of animals ofthe same species which are DEVELOPED by INTERBREEDING and selection. For example, German shepherd and Rottweiler are TWO different breeds of dogs of same species and Shire and Arab are different breeds of horses. A species is a GROUP of actually or potentially interbreeding populations that are reproductively isolated from other such groups in nature. They do not produce fertile hybrids. For example, Siberian tiger and Bengal tigers are two different breeds of tigers and can interbreed to produce fertile hybrids. But lion and tiger BELONG to two different species and do not breed in nature. |
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| 1677. |
Question : What is the cross between the progeny of F_1 and the homozygous recessive parent called ? How is it useful ? |
| Answer» Solution : When a progeny of `F_1` is crossed with the HOMOZYGOUS recessive PARENT, it is called Test cross. Thiscrossis helpfulin DETERMINING the genotype of an unknownprogeny i.e., whether it is heterozygous or homozygous dominant for the trait. | |
| 1678. |
Question : What is the correct sequence of the stages in bacteriophage lytic cycle? |
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Answer» ATTACHEMENT, PENETRATION, LYSIS, MULTIPLICATION |
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| 1679. |
Question : What is the criterion for DNA fragments on agarose gel during gel movement electrophoresis ? |
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Answer» The LARGER the fragment SIZE, the farther it moves |
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| 1681. |
Question : What is the correct sequence of the parts of the eye that the light rays cross in reaching the retina ? |
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Answer» PUPIL `to` Cornea `to` aqueous HUMOUR `to` lens `to` VITREOUS humour |
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| 1682. |
Question : What is the correct sequence of the stages in bacteriophage lytic cycle ? |
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Answer» ATTACHMENT, PENETRATION, LYSIS, MULTIPLICATION |
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| 1683. |
Question : What is the correct sequence of sperm formation? |
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Answer» SPERMATID, SPERMATOCYTE, SPERMATOGONIA, SPERMATOZOA |
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| 1684. |
Question : What is the correct sequence of origin of mammals? |
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Answer» Sauropsids `to` Pelycosaurs `to` THERAPSIDS `to` Mammals |
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| 1685. |
Question : What is the correct sequence of sperm formation ? |
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Answer» SPERMATOGONIA ,SPERMATOCYTE , SPERMATOZOA'SPERMATID |
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| 1686. |
Question : What is the correct sequence of human evolution? |
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Answer» RAMAPITHECUS`rarr`AUSTRALOPITHECUS`rarr`Homoerectus`rarr`NEANDERTHAL`rarr`Homosapiens |
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| 1687. |
Question : What is the correct observation regarding size of egg, blastula and gastrula |
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Answer» There is progressive increase in SIZE from zygote to blastula to GASTRULA |
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| 1688. |
Question : What is the correct ploidy sequence in the following ? (A) Protonema cell of moss (B) Capsule cell of liverworts (C) Roots cell of Pteridophyta (D) Gymnospermic endosperm |
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Answer» N, n, 2N, n |
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| 1689. |
Question : What is the contribution of the biologist given below in the enhancement of food production? |
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Answer» GREEN REVOLUTION |
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| 1690. |
Question : What is the contribution of Ramesh Chandra Dagar. |
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Answer» Solution :He introduced integrated ORGANIC farming. He included bee keeping, dairy management, waterharvesting, composting and agriculture in a CHAIN processes. He created HARYANA KISAN Welfare CLUB for integrated farming. |
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| 1692. |
Question : What is the constriction between two Schwann cells called ? |
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| 1693. |
Question : What is the continued state of contraction of muscle known as ? |
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| 1694. |
Question : What is the connective tissue capsule that binds the hepatic lobule ? |
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| 1695. |
Question : What is the condition called when a baby is born without B and T-cells ? |
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| 1696. |
Question : What is the condition, when blood glucose level exceeds 180 mg per 100 ml of blood called ? |
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| 1697. |
Question : What istheconcentrationofmacronutrientsfoundin plants ? |
| Answer» SOLUTION :Exessof10mmole`KG^(-1)`of drymatter. | |
| 1698. |
Question : What istheconcentrationof microutrients found in plants ? |
| Answer» Solution :Less than 10 mmole` kg^(-1)`of DRY MATTER. | |
| 1699. |
Question : What is the composition of semen? |
| Answer» Solution :Semen or SEMINAL FLUID is a milky white fluid which CONTAINS sperms and the seminal plasma, which is secreted from the seminal vesicles, PROSTATE GLAND and the bulbourethral glands. | |
| 1700. |
Question : what is the common type of genetic material of phytophagineae? |
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Answer» DS RNA |
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