Reproduction In Organisms and Plants

Which one of the following may require pollinators, but is genetically similar to autogamy?

Options

(a) Xenogamy (b) Apogamy (c) Cleistogamy (d) Geitonogamy

Correct Answer:

Geitonogamy

Explanation:

No explanation available. Be the first […]

Which of the following are the important floral rewards to the animal pollinators?

Options

(a) Nectar and pollen grains (b) Floral fragrance and calcium crystals (c) Protein pellicle and stigmatic exudates (d) Colour […]

The hilum is a scar on the:

Options

(a) Fruit, where it was attached to pedicel (b) Fruit, where style was present (c) Seed, where micropyle was present (d) Seed, where funicle was […]

Pollen tablets are avalable in the market for:

Options

(a) In vitro fertilization (b) Breeding programmes (c) Supplementing food (d) Ex situ conservation

Correct Answer:

Supplementing food

Explanation:

No explanation available. Be the […]

Placenta and pericarp are both edible portions in :

Options

(a) Apple (b) Banana (c) Tomato (d) Potato

Correct Answer:

Tomato

Explanation:

No explanation available. Be the first to write the explanation […]

Non- albuminous seed is produced in:

Options

(a) Maize (b) Castor (c) Wheat (d) Pea

Correct Answer:

Pea

Explanation:

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Male gametophyte with least number of cells is present in

Options

(a) Pteris (b) Funaria (c) Lilium (d) Pinus

Correct Answer:

Lilium

Explanation:

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Geitonogamy involves

Options

(a) Fertilization of a flower by the pollen from another flower of the same plant (b) Fertilization of a flower by the pollen from another same flower. (c) Fertilization of […]

Function of filiform apparatus is to :

Options

(a) Recognize the suitable pollen at stigma (b) Stimulate division of generative cell (c) Produce nectar (d) Guide the entry of pollen tube

Correct Answer: […]