781. One out of every 200 babies born in India dies of diarrhea caused by:

1. Bacteria
2. Rotavirus
3. Amoeba
4. Fungus

Option “2” is correct

The rotavirus is a group of RNA viruses, some of which cause acute enteritis in humans. Rotavirus is the most common cause of severe diarrhea among infants and young children. It is a genus of double-stranded RNA virus in the family Reoviridae.
782. Which of the following organisms does not fit into the Cell Theory?

1. Bacteria
2. Virus
3. Fungi
4. Plants

Option “2” is correct
Cell theory is not applicable on Viruses. They are made up of proteins and one of nucleic acids i.e. DNA or RNA. So they lack protoplasm, the essential part of the cell.
783. Which organ gets affected in Weil’s disease?

1. Kidney
2. Lung
3. Liver
4. All of these

Option “4” is correct

All of these get affected in Weil’s disease.
784. Hydrophobia is caused by –

1. Bacteria
2. Fungus
3. Virus
4. Protozoan

Option “3” is correct
Hydrophobia is the old name of Rabies which is a viral disease. Its virus affects the nervous system.
785. Anthophobia is fear of the following:

1. Boss
2. Fire
3. Flowers
4. Dogs

Option “3” is correct

Anthophobia is an abnormal and persistent fear of flowers. The term comes from the Greek roots Anthos means flower and Phobos means fear.
786. Blood group AB has –

1. No antigen
2. No antibody
3. Neither antigen nor antibody
4. Both antigen and antibody

Option “2” is correct

Group AB has both A and B antigens on red cells (but neither A nor B antibody in the plasma).
787. What is the role of Pneumatophores?

1. Protect plant from animals
2. Get oxygen for respiration
3. Supports plant in standing upright
4. Helps plant for pollination

Option “2” is correct

Pneumatophores are spongy erect roots extending above the surface of the water that facilitate the exchange of oxygen and carbon dioxide for the roots. Produced by a plant growing in water, pneumatophores are specialized root structures (above-ground spongy outgrowths of roots) that grow out from the water surface where inadequate oxygen required for normal respiration of the roots is present.
788. The animals in which the body cavity is absent are known as __________.

1. Coelomates
2. Wild
3. Pseudo coelomates
4. Acoelomates

Option “4” is correct

An acoelomate is defined as an animal that does not possess a body cavity. Unlike coelomates (eucoelomates), animals with a true body cavity, acoelomates lack a fluid-filled cavity between the body wall and digestive tract
789. Biological names are generally derived from which language?

1. French
2. Latin
3. Mexican
4. German

Option “2” is correct

Binomial nomenclature is a formal system of naming species of living things by giving each a name composed of two parts, both of which use Latin grammatical forms.
790. Plasma membrane in cells is made up of –

1. Phospholipid
2. Lipoprotein
3. Phospholipo-protein
4. Phospho-protein

Option “1” is correct

All cells are surrounded by a plasma membrane. The membrane is composed of aphospholipid bilayer arranged back-to-back. The membrane is also covered in places with cholesterol molecules and proteins.
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48 thoughts on “Biology”

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