Improvement in Food Resources — Science STD 9 — Question

Which of the following is not a draught animal?

1. Camel
2. Elephant
3. Sheep
4. Horse

Find out the correct sentence:

1. Hybridisation means crossing between genetically dissimilar plants.
2. Cross between two varieties is called as inter specific hybridisation.
3. Introducing genes of desired character into a plant gives genetically modified crop.
4. Cross between plants of two species is called as inter varietal hybridisation.

Protein storing plastid is:

1. Aleuroplast
2. Amyloplast
3. Elaioplast
4. Both b and c

Animal husbandry is the scientific management of:

1. Animal breeding.
2. Culture of animals.
3. Animal livestock.
4. Rearing of animals.

1. (i), (ii) and (iii)
2. (ii), (iii) and (iv)
3. (i), (ii) and (iv)
4. (i), (iii) and (iv)

Soil erosion is caused due to:

1. Strong wind.
2. Heavy rains.
3. Keeping the fields fallow for a long.
4. All of these.