Question

1"Man can be primary as well as a secondary consumer". Justify this statement.

2 A tissue culture experiments as been performend with a plant tissue infected with TMV.

3.In case of an infertile couple, the male partner can inseminate normally but the mobility of sperms is
below 40 per cent. Judge, which kind of ART is suited in this situation to form an embryo in the
laboratory, without involving a donor

4.Calculate the length of the DNA of bacteriophage lambda that has 48502 base pairs.
If two genes are located far apart from each other on a chromosome, how the frequency of recombinatio
will get affected?

5.State one reason why breast-feeding the baby acts as a natural contraceptive for the mother.
Identify the correct statement:
(a) Female of many birds has a pair of dissimilar ZW chromosomes, while the males possess a pair
similar ZZ chromosomes.
(b) Female of many birds has a pair of similar ZZ chromosomes, while the males possess a pair
dissimilar ZW chromosomes.

6.What will happen if DNA replication is not followed by cell division in a eukaryotic cell?

7.Name the material used as matrix in gel-electrophoresis and mention its role.

8.Name the antibody responsible for allergy.
What is 'saltation' according to de Vries?

9.How many kinds of phenotypes would you expect in F2 generation in monohybrid cross exhibition co dominance?






Plz. ..answer me..
​

Answer 1

Answer:

The man is a primary consumer when he eats plants or their products and is a secondary consumer when he eats animals. Man is in fact omnivore because he eats both plants as well as animals.