The Fundamental Unit of Life — Science STD 9 — Question

Organelle other than nucleus, containing DNA is:

When both crops and livestock are raised on the same farm, it is known as:

1. Mixed farming.
2. Mixed cropping.
3. Intercropping.
4. Crop rotation.

Animal-based farming includes _____ farming:

Which of the following components of xylem is living:

1. Tracheids
2. Vessels
3. Xylem parenchyma
4. Xylem sclerenchyma

Epithelial tissue always has an exposed outer surface and an inner surface anchored to connective tissue by a thin, non-cellular structure called the:

Which one of the following is not an exotic breed of cow?

Fertilizers are said to be different from manures, as they are prepared in_________:

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)

.......... are involved in intracellular digestion?

Palcoid scales are present in:

1. Anabas.
2. Scoliodon.
3. Lizard.
4. Crorodile.