General Science Class 10

The muscle which is responsible to straighten the limb is :

1. Ligament
2. Skeleton muscle
3. Flexor
4. Extensor

The pair of muscle where both work in opposite direction?

1. Antagonist
2. Cardiac
3. Smooth
4. Abductor

The process which is essential for continuing and survival of species is :

1. Digestion
2. Respiration
3. Reproduction
4. Excretion

The type of reproduction which is necessary for evolution is :

1. Vegetative propagation
2. Fragmentation
3. Sexual reproduction
4. Cloning

The unicellular structure, responsible for asexual reproduction without fusion is :

1. Pores
2. Spores
3. Gametes
4. Pollen grains

The example of stem which run horizontally on surface of soil to produce vegetatively?

1. Mint
2. Ginger
3. Onion
4. Bryophyllum

Plant stem that arise from buds on the base of parent plants are :

1. Bulb
2. Rhizome
3. Sucker
4. Runner

The type of seed production without fusion of male and female gametes is :

1. Parthenocarpy
2. Apomixes
3. Grafting
4. Scion

The female gametophyte of angiospermic plant is :

1. Embryo sac
2. Ovule
3. Ovary
4. Carpel

The 3N zygote is angiosperm develop into :

1. Seed coat
2. Cotyledon
3. Embryo
4. Endosperm