Q1. Which of the following plant hormone is mainly responsible for fruit ripening?
(a) Cytokinin
(b) Ethylene
(c) Abscissic acid
(d) None of these
Q2. Which of the following statements is/are correct?
1. Cholera is a disease caused by bacteria.
2. Athlete’s foot is a disease caused by virus.
Select the correct answer from the codes given below:
(a) 2 only
(b) 1 only
(c) Both 1 and 2
(d) Neither 1 nor 2
Q3. Which of the following is used as an ornamental plant?
(a) Psilotum
(b) Lycopodium
(c) Pteris
(d) Selaginella
Q4. Vaseline was applied to both surfaces of the leaves of a plant. Which of the following process/processes would be affected?
1. Photosynthesis
2. Respiration
3. Transpiration
Select the correct answer using the codes given below:
(a) 1 and 3 only
(b) 2 only
(c) 1, 2 and 3
(d) 2 and 3 only
Q5. AIDS is transmitted by
1. Sexual intercourse
2. Blood transfusion
3. Mosquitoes and other blood sucking insects
4. Across the placenta
Select the correct answer from the codes given below:
(a) 1, 2 and 3
(b) 1 and 2
(c) 1, 3 and 4
(d) 1, 2 and 4
Q6. The yellow colour of urine is due to the presence of :
(a) Urochrome
(b) Lymph
(c) Cholesterol
(d) Bile
Q7. Consider the following plants:
1. Sugercane
2. Cocoa
3. Grapes
Which of these plants are propagated by stem cutting?
(a) 1 and 2
(b) 3 and 4
(c) 1, 2 and 3
(d) 2 and 3
Q8. Acupuncture is a medical system of treatment in which—
(a) herbs are used to relieve pain
(b) needles are inserted into particular parts of the body to relieve pain
(c) surgery is done to relieve pain
(d) none of these
Q9. The study of the internal structure of the plants is called—
(a) Taxonomy
(b) Agronomy
(c) Anatomy
(d) Morphology
Q10. The age of trees is estimated by which of the following?
(a) their heights
(b) their weights
(c) counting the number of annual rings
(d) their elongation of roots
Q11. Which of the following plants produce only seeds but no fruit?
(a) Cycas
(b) Peanut
(c) Sugarcane
(d) Almond
Q12. Which of the following is a good source of protein?
(a) Pea
(b) Soyabean
(c) Black Gram
(d) Pigeon Pea
Q13. Which among the following is not a true fruit?
(a) Apple
(b) Date
(c) Grape
(d) Plum
Q14. Which one of the following is a rich source of iron?
(a) Carrot
(b) Spinach
(c) Rice
(d) Pea
Q15. The hormone insulin is a—
(a) peptide
(b) fatty acid
(c) glycolipid
(d) sterol
No comments:
Post a Comment