Tag: sense organs in animals
Questions Related to sense organs in animals
Which of these programmes is used to conserve a species from extinction?
Which one is connected with management of zoo in India?
White lions are getting extinct and can be protected by
Match the following.
A. | IAA | (i) | Herring sperm DNA |
---|---|---|---|
B. | ABA | (ii) | Bolting |
C. | Ethylene | (iii) | Stomatal closure |
D. | GA | (iv) | Weed-free lawns |
E. | Cytokinins | (v) | Ripening of fruits |
Which of the following is a plant hormone?
Which one is paired incorrectly?
To speed up the malting process in brewing industry the growth hormone used is ____________.
Read the given statements and identify the plant hormones X, Y and Z.
(i) Hormone Y suppresses flowering in mango and also promotes rapid internode/petiole elongation in deep water rice plants and hence helping leaves or upper part of shoot to remain above water.
(ii) Hormone X promotes root growth and root hair formation.
(ii) Hormone Z inhibits the seed germination, increases the tolerance of plant to various stresses, play important role in seed development maturation and dormancy.
Read the given statements and select the option that is/are incorrect ones.
(i) Cytokinin is primarily concerned with cell division.
(ii) $C _2H _4$ breaks seed and bud dormancy.
(iii) ABA stimulates the opening of stomata.
(iv) $C _2H _4$ initiates germination in peanut seeds, sprouting of potato tubers.
(v) ABA is synergistic to GA.
Match the plant hormones listed in column I with their major role listed in column II and select the corret option from the codes given below.
Column I | Column II |
---|---|
(A) Auxin | (i) Fruit ripening |
(B) Cytokinin | (ii) Phototropism |
(C) Abscisic acid | (iii) Suppression of cell division |
(D) Ethylene | (iv) Stomatal opening and closing |
(v) Growth of lateral buds |