Question

a) Choose the correct answer from each of the four option given below:- [5]


i. Which of these is an example of diadelphous flower:

a. China rose

b. Rose

c. Petal

d. Anther


ii. Which of the following organelles is correctly matched with it’s function?

a. Ribosome : synthesis of protein

b. Mitochondria : secretion of enzyme

c. Plasma membrane : Freely permeable

d. Centrosomes : Carries genes


iii. Which term is not belong from flower male Gamete?

a. Vegetative cell

b. Polar nuclei

c. Pollen grains

d. Generative cell


iv. Respiration is a :-

a. Chemical process

b. Mechanical process

c. Vital process

d. Physiatrist process


v. Which part of the seed give rise to shoot?

a. Radical

b. Plumule

c. Epicotyl

d. Hypocotyl​

Answer 1

Answer:

i) a. China rose

ii) a. Ribosome: synthesis of protein

iii) a. Vegetative cell

iv) a. Chemical process

v) a. Radical

Explanation:

i) China rose (Hibiscus rosa-Sinensis) is an angiosperm and a member of the family Malvaceae of the cotton family or the mallow family. They are dicotyledonous plants.

ii) Ribosomes are the sites in a cell in which protein synthesis takes place. Cells have many ribosomes, and the exact number depends on how active a particular cell is in synthesizing proteins. For example, rapidly growing cells usually have a large number of ribosomes

iii) Any of the cells of a plant or animal except the reproductive cells; a cell that does not participate in the production of gametes; somatic cells are produced from preexisting cells

iv)Respiration is the chemical process by which organic compounds release energy

v)The radicle is the first part of a seedling (a growing plant embryo) to emerge from the seed during the process of germination.

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Answer 2

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