Identify the correct order of organization of genetic material from largest to smallest.

1. Chromosome, gene, genome, nucleotide

2. Genome, chromosome, nucleotide, gene

3. Genome, chromosome, gene, nucleotide

4. Chromosome, genome, nucleotide, gene

A jawless fish, which lays eggs in freshwater and whose ammocoetes larvae after metamorphosis return to the ocean is?
1. Eptratretus
2. Myxine
3. Neomyxine
4. Petromyzon

Industrial melanism is an example of?

1. Neo Darwinism

2. Natural Selection

3. Mutation

4. Neo Lamarckism

Cell wall is absent in:
1. Nostoc
2. Aspergillus
3. Funaria
4. Mycoplasma

The chitinous exoskeleton of arthropods is formed by the polymerization of?

1. Keratine sulphate and chondroitin sulphate

2. D-glucosamine

3. N-acetyl glucosamine

4. Lipoglycans

Filiform apparatus is a characteristic feature of?

1. Generative cell

2. nucellar embryo

3. aleurone cell

4. synergids

In angiosperms, microsporogenesis and megasporogenesis?

1. Occur in anther

2. Form gametes without further divisions

3. Involve meiosis

4. Occur in ovule

Metagenesis refers to?

Which of the following immunoglobulins constitute the largest percentage in human milk?

1. IgD

2. IgM

3. IgA

4. IgG

Destruction of the anterior horn cells of the spinal cord would result in loss of?

1. Sensory impulses

2. Voluntary motor impulses

3. Commissural impulses

4. Integrating impulses