Biology MCQ Questions with Answers Set 8

Question 1.

• Assertion (A): Herbicides can destroy weeds without harming useful plants.
  
• Reason (R): Herbicides are absorbed in different rates by weeds and crop plants.
  

Select the correct answer using the code given below.

(A) (A) is false, but (R) is true

(B) (A) is true, but (R) is false

(C) Both (A) and (R) are true, but (R) is not the correct explanation of (A)

(D) Both (A) and (R) are true and (R) is the correct explanation of (A)

Question 2. With reference to neem tree, consider the following statements.

1. Neem oil can be used as a pesticide to control the proliferation of some species of insects and mites.
   
2. Neem seeds are used in the manufacture of bio-fuels and hospital detergents.
   
3. Neem oil has applications in pharmaceutical industry.
   

Which of the statements given above is/are correct?

(A) 1, 2 and 3

(B) Only 1 and 3

(C) Only 3

(D) Only 1 and 2

Question 3. Match the following.

Code

Question 4. Match List-I with List-II and select the correct answer using the code given below the lists.

Code

Question 5. Match the following pairs correctly.

Code

Question 6. The plants commonly known as (Petro-crops), they are rich in ______.

1. Carbohydrates
2. Hydrocarbon
   
3. Protein
4. Lipids
   

Code:

(A) 2, 3 and 4

(B) 1, 3 and 4

(C) 2 and 4

(D) 1, 2 and 3

Question 7. Consider the following statements.

• Assertion (A): Cuscuta (Amarbel) is an example of parasitic angiosperm.
  
• Reason (R): It gets its nutrition from the leaves of the host plant.
  

Choose your answer from the code given below.

(A) (A) is false, but (R) is true

(B) (A) is true, but (R) is false

(C) Both (A) and (R) are true, but (R) is not the correct explanation of (A)

(D) Both (A) and (R) are true and (R) is the correct explanation of (A)

Question 8. Match List-I with List-II and select the correct answer using the code given below the lists.

Code

Question 9. Match List-I with List-II and select the correct answer using the code given below the lists.

Code

Question 10. Consider the following animals of India.

1. Crocodile
2. Elephant
   

Which of these is/are endangered species? 

(A) Neither 1 nor 2

(B) Both 1 and 2

(C) Only 2

(D) Only 1

Question 11. Match List-I with List-II and select the correct answer using the code given below the lists.

Code

Question 12. Match List-I with List-II and select the correct answer using the code given below the lists.

Code

Question 13. Match List-I with List-II and select the correct answer using the code given below the lists.

Code

Question 14. Match List-I with List-II and select the correct answer using the code given below the lists.

Code

Question 15. The substances which can be used as anaesthetic are:

1. Chloroform
   
2. Nitrous oxide
   
3. Helium
   
4. Carbon dioxide
   

Select the correct answer using the codes given below.

(A) 1 and 4

(B) 3 and 4

(C) 2 and 3

(D) 1 and 2

Question 16. Match List-I with List-II and select the correct answer using the code given below the lists.

Code

Question 17. Match List-I with List-II and select the correct answer using the code given below the lists.

Code

Question 18. Match List-I with List-II and select the correct answer using the code given below the lists.

Code

Question 19. Match List-I with List-II and select the correct answer using the code given below the lists.

Code

Question 20. Match List-I with List-II and select the correct answer using the code given below the lists.

Code

Question 21. Match List-I with List-II and select the correct answer using the code given below the lists.

Code

Question 22. Consider the following kinds organisms.

1. Bat
2. Bee
3. Bird
   

Which of the above is/are pollinating agent/agents?

(A) 1, 2 and 3

(B) 1 and 3

(C) Only 2

(D) 1 and 2

Question 23. Match List-I with List-II and select the correct answer using the code given below the lists.

Code

Question 24. Consider the following.

1. Camphor
2. Chicory
3. Vanilla
   

Which of the above is/are plant product(s)?

(A) 1, 2 and 3

(B) 1 and 3

(C) Only 3

(D) 1 and 2

Question 25. Match List-I with List-II and select the correct answer using the code given below the lists.

Code

Question 26. Match List-I with List-II and select the correct answer using the code given below the lists.

Code

Question 27. Match List-I (Physiological processes) with List-II (Cell organelles) and select the correct answer using the code given below the lists.

Code

Question 28. Match List-I with List-II and select the correct answer using the code given below the lists.

Code

Question 29. Match List-I with List-II and select the correct answer using the code given below the lists.

Code

Question 30. Which of the following pairs is/are correctly matched?

1. Francis Collins – Mapping human genome
   
2. Sergey Brin – Google Search Engine
   
3. Jimmy Wales – Wikipedia

(A) 1, 2 and 3

(B) Only 3

(C) 2 and 3

(D) 1 and 2

Question 31. Consider the following statements.

1. The common blue-green algae, Spirogyra and Ulothrix, are found in both fresh water ponds and oceans.
   
2. The chameleon can look ahead with one eye and at the same time look behind with another.
   

Which of these statements is/are correct?

(A) Neither 1 nor 2

(B) Both 1 and 2

(C) Only 2

(D) Only 1

Question 32. Mycorrhizal biotechnology has been used in rehabilitating degraded sites because mycorrhiza enables the plants to

1. Resist drought and increase absorptive area.
   
2. Tolerate extremes of pH.
   
3. Resist disease infestation.
   

Select the correct answer using the codes given below.

(A) Only 1

(B) 1 and 3

(C) 2 and 3

(D) All of the above

Question 33. Which of the following statements is/are correct?

1. Viruses lack enzymes necessary for the generation of energy.
   
2. Viruses can be cultured in any synthetic medium.
   
3. Viruses are transmitted from one organism to another by biological vectors only.
   

Select the correct answer using the codes given below.

(A) Only 1

(B) 1 and 3

(C) Only 2

(D) All of the above

Question 34. Match List-I with List-II and select the correct answer using the codes given below the lists.

Code

Question 35. Match List-I with List-II and select the correct answer using the code given below the lists.

Code

Question 36. Match List-I with List-II and select the correct answer using the code given below the lists.

Code