Agriculture - Online Test
Q1. You forget to add Cytokinin the culture medium, there will be very little growth as Cytokinin is essential for
Answer : Option D
Explaination / Solution:
Cytokinin is added to culture medium to induce cell division and cell differentiation. If cytokine is not added to culture medium, there will be very little growth in culture.
Q2. A cell immersed in a solution increase in volume. The solution is
Answer : Option A
Explaination / Solution:
The behaviour of the plant cells (or tissues) with regard to water movement depends on the surrounding solution. If the external solution is more dilute than the cytoplasm, it is hypotonic Cells swell in hypotonic solutions.
Q3. Magnesium is component of
Answer : Option A
Explaination / Solution:
It is absorbed by plants in the form of divalent Mg2+. Magnesium is a constituent of the ring structure of chlorophyll and helps to maintain the ribosome structure.
Q4. Animals giving birth to young ones are called as
Answer : Option A
Explaination / Solution:
Animals reproduce sexually either by producing fertilized egg or by giving birth young ones directly. The viviparous (young one producing) is more evolved method of sexual reproduction.
