Question # 1

In the embryonic life red blood cells are formed in the.

Choose an answer

Bone marrow and vertebrae

Liver and spleen

Heart and bone marrow

Sternum and ribs

Co-enzyme is a

Choose an answer

Covalently bonded non-protein part of an enzyme

Loosely bonded non-protein part of an enzyme

Co-factor consists of metal ions

None of these

Polysiphonia is an example of.

Choose an answer

Red algae

Green algae

Brown Algai

Diatoms

Syrinx is a

Choose an answer

Organ of voice in mammals

Organ of voice in birds

Copulatory organ in birds

Seuse organs in birds

Water is dense than air

Choose an answer

800 times

1800 times

8000 times

80,000 times

The power house of the cell is

Choose an answer

Ribosome

RER

SER

Mitochondria

Parasitics protozoans that form sopres at some stage in their life cycle belong to the group

Choose an answer

Ciliates

Actinopods

Diatoms

Apicomplxans

It belongs to family caesalpiniaceae

Choose an answer

Cassia fistula

Arachis hypogaea

Lupinus

Buttea

The study of microorganisms is called

Choose an answer

Parasitology

Microbiology

Social Biology

Molecular Biology

Platelets are fragments of large cells called.

Choose an answer

Microkaryocytes

Erythrocytes

Megakaryocytes

Leucocytes

In fungi spores are produced inside the reproductive structure called.

Choose an answer

Conidia

sporangia

Ascocarps

Basida

In 1970 Hamilton D.Smith at Johns Hopkins University isolated the first

Choose an answer

DNA polymerase

DNA ligase

Diastase

Restriction enzyme

Hyponastic movements occur in response to.

Choose an answer

Contact

Chemical

Temperature

Water

In the zone of elongation, the volume of the cells increase upto.

Choose an answer

100 times

150 times

200 times

250 times

Locus is

Choose an answer

Part of DNA

Position of gene

Partner of a gene

Complement of gene

An increase in plant girth due to activity of cascara cambium is called.

Choose an answer

Primary growth

Secondary growth

Heart wood

Sap wood

The light effective in preventing flowering in cocklebur is.

Choose an answer

Blue light

Red light

Yellow light

Orang light

Unlike most proteins, histones are.

Choose an answer

Positively charges

Neutral

discharged

Negatively charged

Gene pool consists of all alleles at all gene loci in all individuals of the

Choose an answer

Family

Clan

Population

Community

Rapid aging and less resistance to environmental stress and diseases are limitations of.

Choose an answer

Parthenocarpy

Cloning

Phototropism

Verbalization

Abscisic acid can be sprayed on tee crops to regulate

Choose an answer

Leaf drop

Shoot drop

Cone drop

Fruit drop

The mesodermal cells do not invaginate but migrate medially and caudally from both sides and create a midline thickening called.

Choose an answer

Hensen's node

Primitive streak

Hypoblast

epiblast

More Classes

Other Links

Biology Life Science Test Medium Mode MCQs With Answers

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer