Q1. In photosynthesis—
(a) Light energy is converted into chemical energy
(b) Chemical energy is converted into light energy
(c) Chemical energy is converted into electrical energy
(d) Light energy is converted into mechanical energy
(a) Cucumin
(b) Sorbitol
(c) Argenol
(d) Capsaicin
Q3. Exposure to ultraviolet radiation causes eye disease like—
(a) Conjunctivitis
(b) Cataract
(c) Short sightedness
(d) Colour blindness
Q4. Which of the following does not have any enzymes in its cells?
(a) Algae
(b) Virus
(c) Lichen
(d) Bacteria
Q5. Match List-I with List-II and select the correct answer by using the codes given below:
List-I List-II
A. Ribosome 1. Suicidal bag of cells
B. Lysosome 2. Protein factory of cells
C. Mitochondria 3. Controller of cell
D. Nucleus 4. Power house of cell
Codes:
A B C D
(a) 1 4 3 2
(b) 4 3 2 1
(c) 2 1 4 3
(d) 3 2 1 4
Q6. Consider the following statements:
1. A colour blind person cannot distinguish red and green.
2. Colour blindness is related with a defect in nerve cells.
Which of the statements given above is/are correct?
(a) 1 only
(b) 2 only
(c) Both 1 and 2
(d) Neither 1 nor 2
Q7. Arteries supplying blood to the heart are called—
(a) Carotid arteries
(b) Hepatic arteries
(c) Coronary arteries
(d) Pulmonary arteries
Q8. Match the List-I and LIst-II:
List-I List-II
(Organs of the Body) (Process of Treatment)
A. Heart 1. Cataract Operation
B. Kidney 2. Angioplasty
C. Eye 3. Hysterectomy
D. Uterus 4. Dialysis
Codes:
A B C D
(a) 1 2 3 4
(b) 2 4 1 3
(c) 4 2 1 3
(d) 1 2 4 3
Q9. Which of the following plant hormone is mainly responsible for fruit ripening?
(a) Cytokinin
(b) Ethylene
(c) Abscissic acid
(d) None of these
Q10. The study of the internal structure of the plants is called—
(a) Taxonomy
(b) Agronomy
(c) Anatomy
(d) Morphology
Q11. A food chain always starts with—
(a) Nitrogen fixation.
(b) Decomposition
(c) Respiration
(d) Photosynthesis
Q12. The hormone insulin is a—
(a) peptide
(b) fatty acid
(c) glycolipid
(d) sterol
Q13. “Flow of energy is unidirectional”. It means that—
(a) Energy always flows form east to west direction.
(b) The energy of the autotrophs reaches back to the solar input.
(c) Energy which passes to the higher trophic levels doesn’t come back to lower trophic levels
(d) None of these.
Q14. In an ecosystem, the 10% of energy available for transfer from one trophic level to the next trophic level is in the form of—
(a) Mechanical energy.
(b) Light energy
(c) Chemical energy
(d) Heat energy
Q15. Which of the following measures can be taken to reduce the wastage of energy?
(a) Preparation of smokeless stoves
(b) Growing fuel wood trees
(c) Use of biogas
(d) All of these
Solutions
1.A
2.D
3.B
4.B
5.C
6.A
7.C
8.B
9.B
10.C
11.D
12.A
13.C
14.C
15.D