Biology

Which of the statement about viruses is incorrect___________________?

Options:

• A. We can not grow them in laboratories on artificial medias
• B. They are obligate intracellular parasite.
• C. They can synthesize their nucleic acid
• D. They are resistant to most of antibiotic treatment

View Answer

C. They can synthesize their nucleic acid

In lysogenic cycle the process of spearation of phage DNA from the hosts chromosome and initiation of lytic cycle is called______________?

Options:

• A. Lysis
• B. Lysogeny
• C. Induction
• D. Adsorption

View Answer

C. Induction

An illness which largely affects girls usually just after the onset of puberty.

Options:

• A. Bulimia nervosa
• B. Obesity
• C. Anorexia nervosa
• D. None of these

View Answer

C. Anorexia nervosa

Certain types of whales are also __________ feeder?

Options:

• A. Fluid
• B. Macrophagous
• C. Filter
• D. None of these

View Answer

C. Filter

Root like structure in saprotrophic fungi are called_______________?

Options:

• A. Rhizodis
• B. Haustoria
• C. Hyphae
• D. Constricting rings

View Answer

A. Rhizodis

In which of the following example of fungi dikaryotic hyphae exist for long period?

Options:

• A. Deuteromycota
• B. Basidiomycota
• C. Zygomycota
• D. All of these

View Answer

B. Basidiomycota

Of the following which one is not the characteristic of green algae?

Options:

• A. Some green algae possess cell wall with cellulose
• B. They are generally accepted as the ancestors of green plants
• C. Chlorella is unicellular non-motile green algae
• D. None of these

View Answer

A. Some green algae possess cell wall with cellulose

The drfinite shape to ciliates is given by____________?

Options:

• A. Pellicle
• B. Penicle
• C. Calcium
• D. Cell wall

View Answer

A. Pellicle

Germ theory of disease has________________postulates?

Options:

• A. 3
• B. 5
• C. 4
• D. 6

View Answer

C. 4

In humans the number of tetrads formed during mitosis is___________?

Options:

• A. 23
• B. 46
• C. 0
• D. 4

View Answer

C. 0