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MCQs

Total Questions : 50 | Page 1 of 5 pages
Question 1. Which of the following structures are commonly present in animal cells and not in plant cells?
1.Mitochondria
2.Lysosomes
3.Ribosomes
4.Centrosomes
  1.    1 and 3
  2.    2 and 4
  3.    1, 2 and 3
  4.    2, 3 and 4
 Discuss Question
Answer: Option B. -> 2 and 4
:
B
Question 2. The transmission from one neuron to another takes place through chemicals called neuro transmitters. Which of the following are neuro transmitters?
1.Adrenalin
2.Thyroxine
3.Acetylcholine
  1.    1 and 2
  2.    1 and 3
  3.    1 only
  4.    3 only
 Discuss Question
Answer: Option B. -> 1 and 3
:
B
Question 3. Which one of the following is true regarding plant cells and animal cells?
  1.    Plant cells have a thin lining of a cytoplasm while animal cells are constituted almost entirely to cytoplasm.
  2.    Plant cells contain chloroplast while animal cells do not
  3.    Animal cells are large while plant cells are usually small
  4.    Plant cells have nucleus while animal cells do not have it
 Discuss Question
Answer: Option B. -> Plant cells contain chloroplast while animal cells do not
:
B
Question 4. Pace-maker is also known as
  1.    A. V. Node
  2.    Bundle of His
  3.    S. A. Node
  4.    Chordae tendinae
 Discuss Question
Answer: Option C. -> S. A. Node
:
C
Question 5. Which of the following diseases is/are sexually transmitted?
1.Syphilis
2.Gonorrhoea
3.AIDS
  1.    1 and 3
  2.    2 and 3
  3.    3 only
  4.    1, 2 and 3
 Discuss Question
Answer: Option D. -> 1, 2 and 3
:
D
Question 6. Which of the following are the pollutants that a traffic constable is likely to inhale?
1.Carbon monoxide
2.Lead
3.Sulphur dioxide
4.Oxides of nitrogen
  1.    1, 2 and 3
  2.    1, 2 and 4
  3.    1, 3 and 4
  4.    2, 3 and 4
 Discuss Question
Answer: Option C. -> 1, 3 and 4
:
C
Question 7. Which of the following are involved in the making up of a DNA nucleotide?
1.Phosphoric acid
2.Deoxyribose sugar
3.Nitrogenous base
  1.    1 and 2
  2.    2 and 3
  3.    1 and 3
  4.    1, 2 and 3
 Discuss Question
Answer: Option D. -> 1, 2 and 3
:
D
Question 8. In which of the following would you observe high mitochondrial activity?
1.Germinating seeds
2.Falling leaves
3.Ripe fruit
4.Meristematic tissue
  1.    1 and 2
  2.    2 and 4
  3.    3 and 4
  4.    1 and 4
 Discuss Question
Answer: Option D. -> 1 and 4
:
D
Question 9. Match List I with List II and select the correct answer using the codes given below.
List I                                                                       List II
Centrosomes                                                       1. Mitochondria
Energy generators                                             2. Eukaryotic cells
Polydrolytic                                                       3. Lysosomes
Hydrolytic enzymes                                          4. Plant cell
  1.    4     2     3      1
  2.    5      1      4     3
  3.    3     4      5        2
  4.    4      1      2      3
 Discuss Question
Answer: Option D. -> 4      1      2      3
:
D
Question 10. Match List I with List II and select the correct answer using the codes given below.
List I                                                List II
A.Hydrophytes                                 1. Plants growing in saline conditions
B.Xerophytes                                          2. Plants adapted to grow in water
C.Halophytes                                          3.Plants adapted to grow in deserts
D.Epiphytes                                           4.Plants which grow non-parasitic on other plants
  1.    2      3     4      1
  2.    2      3     1       4
  3.    3     1      2      4
  4.    4      3      1      2
 Discuss Question
Answer: Option B. -> 2      3     1       4
:
B

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