Organisms and Populations MCQ Questions & Answers in Botany

41. Tropical forests occur in India

A Jammu and Kashmir

B Rajasthan

C Kerala and Assam

D The forests do not occur in India

Discuss Question

42. Which one of the following is not a parasitic adaptation?

A Loss of unnecessary sense organs

B Development of adhesive organs

C Loss of digestive organs

D Loss of reproductive capacity

Discuss Question

43. Consider the following four statements (1-4) about certain desert animals such as kangaroo rat.
(1) They have dark colour and high rate of reproduction and excrete solid urine
(2) They do not drink water, breathe at a slow rate to conserve water and have their body covered with thick hairs
(3) They feed on dry seeds and do not require drinking water
(4) They excrete very concentrated urine and do not use water to regulate body temperature
Which two of the above statements for such animals are true?

A 3 and 4

B 2 and 3

C 3 and 1

D 1 and 2

Discuss Question

44. A mutually beneficial association necessary for survival of both partners is

A mutualism/symbiosis

B commensalism

C amensalism

D both (A) and (B)

Discuss Question

45. Which one of the following pairs is mismatched?

A Tundra - Permafrost

B Savanna - Acacia trees

C Prairie - Epiphytes

D Coniferous forest - Evergreen trees

Discuss Question

46. What is true about the isolated small tribal populations?

A There is a decline in population as boys marry girls only from their own tribe

B Hereditary diseases like colour blindness do not spread in the isolated population

C Wrestlers who develop strong body muscles in their life time pass this character on to their progeny

D There is no change in population size as they have a large gene pool

Discuss Question

47. Which one of these animals is not a homeotherm?

A Macropus

B Chelone

C Psittacula

D Camelus

Discuss Question

48. A fertile agricultural soil appears deep coloured at the surface as compared to soil one metre down. The reason for colour of top soil is

A more moisture

B rich in organic matter

C rich in iron, calcium and magnesium

D recent formation

Discuss Question

49. In which one of the following habitats does the diurnal temperature of soil surface vary most?

A Shrub land

B Forest

C Desert

D Grassland

Discuss Question

50. An interesting modification of flower shape for insect pollination occurs in some orchids in which a male insect mistakes the pattern on the orchid flower for the female of his species and tries to copulate with it, thereby pollinating the flower. This phenomenon is called

A mimicry

B pseudopollination

C pseudocopulation

D pseudoparthenocarpy

Discuss Question

1 2 3 4 5 6 7 8 9

41. Tropical forests occur in India

42. Which one of the following is not a parasitic adaptation?

44. A mutually beneficial association necessary for survival of both partners is

45. Which one of the following pairs is mismatched?

46. What is true about the isolated small tribal populations?

47. Which one of these animals is not a homeotherm?

48. A fertile agricultural soil appears deep coloured at the surface as compared to soil one metre down. The reason for colour of top soil is

49. In which one of the following habitats does the diurnal temperature of soil surface vary most?

50. An interesting modification of flower shape for insect pollination occurs in some orchids in which a male insect mistakes the pattern on the orchid flower for the female of his species and tries to copulate with it, thereby pollinating the flower. This phenomenon is called

Practice More MCQ Question on Biology Section