General Science - Biology MCQs

41. The radiations used in Radiotherapy for the treatment of Cancer destroys the Cancer tumour mainly by which among the following?

[A] Destroying the Cytoplasm of the Cancerous Cells
[B] Destroying the Cell membranes of the Cancerous Cells
[C] Destroying the DNA of the Cancerous Cells
[D] Destroying the spindle fibres which are used in Cell Division

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42. Seeds__:
1. always contain cotyledon
2. are not found in conifers, bryophytes and ferns
3. contain the gametophyte
Which among the above is / are correct?

[A] Only 1
[B] Only 2 & 3
[C] Only 1 & 2
[D] 1, 2 & 3

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43. Consider the following:
Assertion: Sugarcane plant is capable of Nitrogen Fixation
Reason: The roots of Sugarcane plants are home to a variety of Nitrogen fixation bacteria
Which among the above statements is / are correct?

[A] Assertion is correct, Reason is incorrect
[B] Assertion is incorrect, Reason is correct
[C] Both Assertion and Reason are correct
[D] Both Assertion and Reason are incorrect

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44. Consider the following:
1. Red Snow
2. Red Rust (of tea)
3. Red Tide Which among the above is / are caused by algae?

[A] Only 1 & 2
[B] Only 1
[C] Only 3
[D] 1, 2 & 3

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45. The Pentavalent vaccine protects against:
1. both Hepatitis B and Rubella
2. both bacterial and Viral diseases
Which among the above is / are correct statements?

[A] Only 1
[B] Only 2
[C] Both 1 & 2
[D] Neither 1 nor 2

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46. The plant hormone that plays important role in establishing dormancy in seeds is __?

[A] Ethylene
[B] Gibberlic acid
[C] Abcisic Acid
[D] Auxin

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47. Xerophytes can tolerate and stand against _?

[A] High temperature
[B] Severe Cold
[C] High humidity
[D] Drought Conditions

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48. Which of the following is are correct statements?

  1. Bats, Dogs as well as Dolphins can perceive the frequency range of more than 20,000 Hz
  2. Bats detect the obstacles in their path by receiving the reflected infrasonic waves

Select the correct option from the codes given below:

[A] Only 1
[B] Only 2
[C] Both 1 & 2
[D] Neither 1 nor 2

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49. Identify the organelle with the help of given information:

  1. It is a double membrane organelle.
  2. It is found only in eukaryotic cells.
  3. It is responsible for ATP production.

Select the correct option from codes given below:

[A] Centriole
[B] Lysosome
[C] Endoplasmic Reticulum
[D] Mitochondria

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50. Zika virus can be transmitted to humans through:

  1. Mosquito
  2. Goat
  3. Duck
  4. Bat

Select the correct option from codes given below:

[A] Only 1
[B] Only 1 & 4
[C] Only 1, 3 & 4
[D] 1, 2, 3 & 4

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