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. |
In a double stranded DNA molecule, the percentage of cytosine is 18. What would be the percentage of adenine? |
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Answer» In a double stranded DNA molecule, the percentage of cytosine is 18. What would be the percentage of adenine? |
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| 2. |
Question 23 It is observed that heart cells do not exhibit cell division. Such cells do not divide further and exit ... phase to enter an inactive stage called... of cell cycle. Fill in the blanks. |
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Answer» Question 23 It is observed that heart cells do not exhibit cell division. Such cells do not divide further and exit ... phase to enter an inactive stage called... of cell cycle. Fill in the blanks. |
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| 3. |
Red bone marrow is present in______. |
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Answer» Red bone marrow is present in______. |
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| 4. |
How does selection harvesting help prevevtion soil emotion |
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Answer» How does selection harvesting help prevevtion soil emotion |
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| 5. |
Binomial nomenclature means |
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Answer» Binomial nomenclature means |
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| 6. |
_________ is an example of a heterogametic oogamous brown alga. |
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Answer» |
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| 7. |
The beginning of understanding genetic transformation in bacteria was made by |
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Answer» The beginning of understanding genetic transformation in bacteria was made by |
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| 8. |
The central cylinder consisting of vascular tissue and pericycle is called __ |
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Answer» The central cylinder consisting of vascular tissue and pericycle is called |
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| 9. |
(a) IUDs are said to be effective contraceptives. Name any two commonly use IUDs and write the mode of their actions. (b) When is sterilisation advised to married couples? How is it carried out in a human male and a female, respectively? [5 marks] |
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Answer» (a) IUDs are said to be effective contraceptives. Name any two commonly use IUDs and write the mode of their actions. (b) When is sterilisation advised to married couples? How is it carried out in a human male and a female, respectively? [5 marks] |
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| 10. |
Look at the diagram below and match the correct labels. |
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Answer» Look at the diagram below and match the correct labels. |
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| 11. |
Match the following list of bacteria and their commercially important products: Bacterium Product (i) Aspergillus niger (a) Lactic acid (ii) Acetobacter aceti (b) Butyric acid (iii) Clostridium butylicum (c) Acetic acid (iv) Lactobacillus (d) Citric acid |
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Answer» Match the following list of bacteria and their commercially important products: Bacterium Product (i) Aspergillus niger (a) Lactic acid (ii) Acetobacter aceti (b) Butyric acid (iii) Clostridium butylicum (c) Acetic acid (iv) Lactobacillus (d) Citric acid |
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| 12. |
In simple diffusion, the rate at which a solute passes through a membrane depends on all of the following EXCEPT the |
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Answer» In simple diffusion, the rate at which a solute passes through a membrane depends on all of the following EXCEPT the |
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| 13. |
Deficiency of which of the following vitamins can cause impaired blood clotting? |
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Answer» Deficiency of which of the following vitamins can cause impaired blood clotting? |
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| 14. |
Which of the following pairs give positive Tollen’s test? |
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Answer» Which of the following pairs give positive Tollen’s test? |
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| 15. |
Linnaeus system of plant classification is based on |
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Answer» Linnaeus system of plant classification is based on |
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| 16. |
Write one example for each of the following in the space provided. (a) Cold blooded animal ............. (b) Warm blooded animal ............... (c) Animal possessing dry and cornified skin ................ (d) Dioecious animal .................. |
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Answer» Write one example for each of the following in the space provided. (a) Cold blooded animal ............. (b) Warm blooded animal ............... (c) Animal possessing dry and cornified skin ................ (d) Dioecious animal .................. |
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| 17. |
C4 plants differ from C3 plants because they |
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Answer» C4 plants differ from C3 plants because they |
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| 18. |
Which of these best describes the role and mechanism of action of Cyclin-dependent kinases (CDKs) in the cell cycle? |
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Answer» Which of these best describes the role and mechanism of action of Cyclin-dependent kinases (CDKs) in the cell cycle? |
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| 19. |
During transcription, RNA polymerase binds to which site of DNA |
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Answer» During transcription, RNA polymerase binds to which site of DNA |
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| 20. |
The T – wave in an ECG represents |
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Answer» The T – wave in an ECG represents |
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| 21. |
Draw a diagram of a mature human sperm. Label any three parts and write their functions. [3] |
| Answer» Draw a diagram of a mature human sperm. Label any three parts and write their functions. [3] | |
| 22. |
Arrange the following events of spermatogenesis. I. The spermatogonia gives rise to 4 Primary spermatocytes (2n) ii. The spermatogonia divides mitotically to maintain the germ cells (2n) Iii. Spermiogenesis Iv. Each primary spermatocyte gives rise to 2 secondary spermatocytes(n) |
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Answer» Arrange the following events of spermatogenesis. I. The spermatogonia gives rise to 4 Primary spermatocytes (2n) ii. The spermatogonia divides mitotically to maintain the germ cells (2n) Iii. Spermiogenesis Iv. Each primary spermatocyte gives rise to 2 secondary spermatocytes(n) |
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| 23. |
Non-vascular plants are called |
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Answer» Non-vascular plants are called |
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| 24. |
What are carbohydrates |
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Answer» What are carbohydrates |
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| 25. |
The plant factor which affects the rate of transpiration is: |
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Answer» The plant factor which affects the rate of transpiration is: |
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| 26. |
Identify the parts labelled 1 and 2 in the given figure |
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Answer» Identify the parts labelled 1 and 2 in the given figure
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| 27. |
Why a tertiary substrate undergoes sn1 reaction.? |
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Answer» Why a tertiary substrate undergoes sn1 reaction.? |
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| 28. |
Which of the following is the correct hierarchical sequence of the taxonomic groups? |
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Answer» Which of the following is the correct hierarchical sequence of the taxonomic groups? |
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| 29. |
Wound healing, in plants, is due to_______ |
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Answer» Wound healing, in plants, is due to_______ |
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| 30. |
Heart of frog has: |
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Answer» Heart of frog has: |
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| 31. |
'Both growth and differentiation in higher plants are open'. Comment. |
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Answer» 'Both growth and differentiation in higher plants are open'. Comment. |
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| 32. |
Which of the following cycles involve photosynthesis and cellular respiration? |
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Answer» Which of the following cycles involve photosynthesis and cellular respiration? |
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| 33. |
When ovary is one chambered, the possibility of placentation is A. Basal B. Marginal C. Axile D. Free central |
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Answer» When ovary is one chambered, the possibility of placentation is |
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| 34. |
The path of water movement from soil to xylem is |
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Answer» The path of water movement from soil to xylem is |
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| 35. |
What is the function of luteinizing hormone in female? |
| Answer» What is the function of luteinizing hormone in female? | |
| 36. |
Which of the following organelles has a double membrane with pores? |
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Answer» Which of the following organelles has a double membrane with pores? |
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| 37. |
How did a citizen group called Friends of Arcata Marsh (FOAM), Arcata, California, USA, help to improve water quality of the marshland using integrated waste water treatment? Explain in four steps. [2] |
| Answer» How did a citizen group called Friends of Arcata Marsh (FOAM), Arcata, California, USA, help to improve water quality of the marshland using integrated waste water treatment? Explain in four steps. [2] | |
| 38. |
Rearrange these parts of a nephron in the order in which the fluid flows from the filtration membrane through the nephron. |
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Answer» Rearrange these parts of a nephron in the order in which the fluid flows from the filtration membrane through the nephron. |
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| 39. |
On germination a seed first produces shoots with leaves, flowers appear later, A. Why do you think this happens? B. How is this advantageous to the plant? |
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Answer» On germination a seed first produces shoots with leaves, flowers appear later, A. Why do you think this happens? B. How is this advantageous to the plant? |
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| 40. |
Arrange the following with gradual decrease in the number of vascular bundles in them. I. Monocot Root II. Monocot stem III. Dicot root IV. Dicot stem |
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Answer» Arrange the following with gradual decrease in the number of vascular bundles in them. I. Monocot Root II. Monocot stem III. Dicot root IV. Dicot stem |
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| 41. |
Which one of the following alcoholic drinks is an undistilled beverage? |
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Answer» Which one of the following alcoholic drinks is an undistilled beverage? |
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| 42. |
Which is mismatched? |
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Answer» Which is mismatched? |
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| 43. |
Identify the part of the sperm where nucleus is present. |
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Answer» Identify the part of the sperm where nucleus is present. |
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| 44. |
Conditional reflex can be exemplified by |
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Answer» Conditional reflex can be exemplified by |
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| 45. |
Water hyacinth, an aquatic plant from Amazon basin wreaked havoc by overgrowing when introduced in India. What was the reason? |
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Answer» Water hyacinth, an aquatic plant from Amazon basin wreaked havoc by overgrowing when introduced in India. What was the reason? |
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| 46. |
The nucleus of parent divides by repeated amitosis into many nuclei, each nucleus takes a bit of cytoplasm and forms a daughter cell. This process is called - |
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Answer» The nucleus of parent divides by repeated amitosis into many nuclei, each nucleus takes a bit of cytoplasm and forms a daughter cell. This process is called - |
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| 47. |
Characteristics of 5 kingdom classification |
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Answer» Characteristics of 5 kingdom classification |
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| 48. |
1. Explaine the plant breeding and it terms 2.explain the animal breeding and classification of animal breeding |
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Answer» 1. Explaine the plant breeding and it terms 2.explain the animal breeding and classification of animal breeding |
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| 49. |
What is organic and inorganic and what is its difference?? |
| Answer» What is organic and inorganic and what is its difference?? | |
| 50. |
Is there any limitation in no of tropic levels in detritus food chain? |
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Answer» Is there any limitation in no of tropic levels in detritus food chain? |
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