1. Which one of the following is the correct sequence of the given substances in the decreasing order of their densities?
a. Gold> Steel> Mercury
b. Gold> Mercury> Steel
c. Steel> Gold> Mercury
d. Steel> Mercury> Gold
2. The working principle of a washing machine is?
a. Diffusion
b. Centrifugation
c. Dialysis
d. Reverse osmosis
3. Haemoglobin is a type of ?
a. Carbohydrate
b. Respiratory pigment
c. Vitamin
d. None of the above
4. The National Environmental Research Institute is located at ?
a. Dehradun
b. Nagpur
c. Jaipur
d. New Delhi
5. Which one of the following is a hereditary disease ?
a. Cataract
b. Haemophilia
c. Osteoporosis
d. Pellagra
6. Which of the following is the largest gland in the human body ?
a. Liver
b. Lungs
c. Memory
d. Spleen
7. Which of the following vitamins promotes healthy functioning of eyes ?
a. Vitamin E
b. Vitamin K
c. Vitamin A
d. Vitamin D
8. Who among the following is regarded as the father of genetics ?
a. Charles Darwin
b. Gregor Johann Mendel
c. Robert Hooke
d. None of the above
9. The word ‘ecosystem’ was first coined by ?
a. A.G. Tansley
b. E.P. Odum
c. R. Mishra
d. Weaver and Clements
10. Blood sugar is the amount of which of the following in the circulating blood ?
a. Lactose
b. Sacrose
c. Galactos
d. Glucose
Answer
- b
- b
- b
- b
- b
- a
- c
- b
- a
- d