Plant Reproduction – Old Year Questions

1. To study meiosis in plants, the best part would be

(a) shoot apex
(b) root apex
(c) anthers
(d) leaf cells

[M.P.P.C.S. (Pre) 2017]


2. Which of the following statements is/are correct regarding vegetative propagation of plants?
1. Vegetative propagation produces clonal population.
2. Vegetative propagation helps in eliminating the virus.
3. Vegetative propagation can be practiced most of the year.
Select the correct answer using the code given below.

(a) 1 only
(b) 2 and 3 only
(c) 1 and 3 only
(d) 1, 2 and 3

[I.A.S. (Pre) 2014]


3. The practice of gootee in plants is used for the purpose of :

(a) Control of insects
(b) For vegetative propagation
(c) Germination of seeds
(d) Weed control

[U.P. R.O./A.R.O. (Pre) 2021]


4. With reference to the current trends in the cultivation of sugarcane in India, consider the following statements:
1. A substantial saving in seed material is made when ‘bud chip settlings’ are raised in a nursery and transplanted in the main fi eld.
2. When direct planting of setts is done, the germination percentage is better with singlebudded setts as compared to setts with many buds.
3. If bad weather conditions prevail when setts are directly planted, single-budded setts have better survival as compared to large setts.
4. Sugarcane can be cultivated using settlings prepared from tissue culture.
Which of the statements given above is/are correct?

(a) 1 and 2 only
(b) 3 only
(c) 1 and 4 only
(d) 2, 3 and 4 only

[I.A.S. (Pre) 2020]


5. With reference to crop rotation, which of the following
statement is/are correct?
1. Deep rooted crops should be followed by the same
type of crop.
2. Legume must be followed by a non-legume.
Select the correct answer using the codes given below :

Code :
(a) Only 1
(b) Only 2
(c) Both 1 and 2
(d) Neither 1 nor 2

[U.P. R.O./A.R.O. (Pre) 2021]


6. Clonal selection can be used in –

(a) Groundnut
(b) Mustard
(c) Wheat
(d) Potato

[U.P.P.C.S. (Mains) 2009]


7. Embryo is found in –

(a) Flowers
(b) Leaves
(c) Seeds
(d) Buds

[53rd to 55th B.P.S.C. (Pre) 2011]


8. Plants are formed like parent plant from –

(a) Seeds
(b) Stem cut
(c) None of these
(d) Both of these

[39th B.P.S.C. (Pre) 1994]


9. Stem cutting is done generally to grow –

(a) Banana
(b) Sugarcane
(c) Mango
(d) Cotton

[39th B.P.S.C. (Pre) 1994]


10. Consider the following plants :
1. Bougainvillea 2. Carnation
3. Cocoa 4. Grapes
Which of these plants are propagated by stem cuttings ?

(a) 1 and 2
(b) 2, 3 and 4
(c) 1, 2 and 4
(d) 1, 2, 3 and 4

[I.A.S. (Pre) 2002]


11. Consider the following statements:
1. Sweet orange plant is propagated by grafting technique.
2. Jasmine plant is propagated by layering technique.
Which of the statement(s) given above is/are correct?

(a) 1 only
(b) 2 only
(c) Both 1 and 2
(d) Neither 1 nor 2

[I.A.S. (Pre) 2009]


12. The most important part of the plant in term of its life cycle is–

(a) Flower
(b) Leaf
(c) Stem
(d) Root

[47th B.P.S.C. (Pre) 2003]


13. Which of the three circumstances among these are most necessary in the germination of single seed plants?

(a) Soil, water, oxygen
(b) Water, proper temperature, oxygen
(c) Proper temperature, oxygen, CO2
(d) Temperature, oxygen, light.

[Uttarakhand U.D.A./L.D.A. (Pre) 2003]


14. Which one is not required for the germination of seed?

(a) Light
(b) Humidity
(c) Proper temperature
(d) Oxygen

[U.P.P.C.S. (Pre) 1990]


15. Censer mechanism of dispersal of seeds is found in :

(a) Pea
(b) Poppy
(c) Cotton
(d) Maize

[U.P.P.C.S. (Mains) 2010]


16. Transfer of pollen grains from the anther to stigma of another flower of the same plant is called

(a) Autogamy
(b) Geitonogamy
(c) Xenogamy
(d) None of the above

[M.P.P.C.S. (Pre) 2019]


17. Consider the following kinds organisms –
1. Bat 2. Bee
3. Bird
Which of the above is/are pollinating agent/agents?

(a) 1 and 2
(b) Only 2
(c) 1 and 3
(d) 1, 2 and 3

[I.A.S. (Pre) 2012]


18. Seed that is changed every year is known as –

(a) Breeder seed
(b) Certified seed
(c) Foundation seed
(d) Hybrid seed

[U.P.P.C.S. (Mains) 2010]


19. In a bisexual flower, if androecium and gynoecium mature at different times, the phenomenon is known as :

(a) Dichogamy
(b) Herkogamy
(c) Heterogamy
(d) Monogamy

[I.A.S. (Pre) 2002]