CBSE (Central Board of Secondary Education) Class-8 Science: Questions 249 - 254 of 465
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Question 249
Question MCQ▾
Why wheels of a battle tank move over a belt:
Choices
Choice (4) | Response | |
---|---|---|
a. | Belt helps to distributing the weight of the tank over a large area. | |
b. | Battle tank is heavy | |
c. | Belt helps to distributing the weight of the tank over a small area | |
d. | Increased pressure exerted by the tank on the ground |
Question 250
Question MCQ▾
Fertilization which takes place inside the female body is called as:
Choices
Choice (4) | Response | |
---|---|---|
a. | Internal fertilization | |
b. | Metamorphosis | |
c. | Zygote | |
d. | External fertilization |
Question 251
Question MCQ▾
Factors which may affect the natural habitat of endemic species and endanger their existence are:
Choices
Choice (4) | Response | |
---|---|---|
a. | Increasing human population | |
b. | Introduction of new species | |
c. | Destruction of their natural habitat | |
d. | All of the above |
Question 252
Question MCQ▾
Biosphere reserves are the areas meant for conserving:
Choices
Choice (4) | Response | |
---|---|---|
a. | Biodiversity | |
b. | Plants | |
c. | Animals | |
d. | Both b. and c. are correct |
Question 253
Question MCQ▾
Physical exercise makes the body
Choices
Choice (4) | Response | |
---|---|---|
a. | Fatty | |
b. | Tired | |
c. | Healthy and fit | |
d. | All of the above |
Question 254
Question MCQ▾
Testosterone is the:
Choices
Choice (4) | Response | |
---|---|---|
a. | Female hormone | |
b. | Male hormone | |
c. | None of the above | |
d. | All of the above |