Q2) Imagine that all the seeds produced by a plant happen to fall under the same plant and sprout into new plants. Mention any two problem that will be faced by the new plants.
Q6) What are the three conditions necessary for the germination of seeds. How would you demonstrate this?
Q1) Put a tick mark against the correct alternative in the following statements:
(a) In a germinating seed, the roots develop from:
(b) in a germinating seed, the shoot develops from:
(c) which one of the following is a monocotyledonous seed?
(d) if the cotyledons are pushed above the soil, then such type of germination is called:
(e) if the cotyledons remain under the soil, then such seeds type of germination is called:
(f) pollen is produced in the _______________________________________
(g) reproductive whorls of a flower are _______________________________________:
Stamens and carpels
Sepals and petals
Sepals and stamens
Petals and carpels
PQ. vegetative propagation is not observed in _______________________________________:
(h) which one of the following is a false fruit?___
(i) in seed, food is generally stored in _______________________________________
Cotyledons of endosperms
Q1) Given below is a longitudinal section of a bean seed. Label the partrs marked 1 to 5 and write their functions.
Q2) Name the following:
(a) A seed which shows hypogeal germination
(b) A monocot seed
(c) A dicot seed
(d) A seed which shows epigeal germination.
Q3) Differentiate between the following pairs of terms:
(a) Radicle and plumule.
(b) Ilium and micropyle
(c) Testa and tegmen
Q5) Match the columns:
|Column A||Column B|
|(a) Radicle||(i) Shoot|
|(b) Plumule||(ii) Store food material|
|(c) Cotyledon||(iii) Root|
|(d) Testa||(iv) Absorb water needed for germination|
|(e) Micropyle||(v) Protection of seed|
Q7) State true or false: (a) Some seeds have no cotyledons.
(b) Warmth is necessary for the germination of seeds.
(c) All seeds have two cotyledons.
(d) Oxygen is necessary for the germination of seeds.
Q9) The three conditions necessary for germination of seeds are (tick the correct answer)
(a) Oxygen, suitable temperature and water
(b) Good soil, water and air
(c) Good soil, suitable temperature and light
(d) Light, oxygen and temperature
(e) Oxygen, Carbon dioxide, and light
Terms & Policies
Terms & Policies