CURIOUSITY QUIZ: MICROORGANISMS AROUND USS

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Test Your knowledge on 'Nutrition in Plants' prepared exclusively according to the NCERT science curriculum for Class-7 . Attempt all the questions by clicking on the right option. Submit the completed Form by clicking the 'Submit' button at the end of the Form. Get your Score and the correct Answer by clicking the 'View score' button. Good Luck!

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Plants cannot absorb Nitrogen directly from the air. Soil has certain micro-organisms that convert gaseous Nitrogen into usable forms and release into the soil. These are absorbed by the roots of the plants along with water for nutrition. What kind of micro-organisms present in the soil carry out this process ?

1 point

It is produced by the Gall bladder and stored in the Liver.

It is produced by the Liver and stored in the Liver.

Bacteria

It is produced by the Gall Bladder and stored in the Gall bladder.

Clear selection

These are the Blue-green algae that can fix Nitrogen from air to usable nitrogenous compounds in the soil. What is the other name for Blue-green algae?

1 point

Esophagus

Cyanobacteria

Stomach

Small Intestine

Clear selection

Which kind of micro-organism , according to classification of Animal kingdom, causes Malaria?

1 point

It is produced by the Gall bladder and stored in the Liver.

Protozoa

Bacteria

It is produced by the Gall Bladder and stored in the Gall bladder.

Clear selection

What is the name of the parasite for Malaria?

1 point

It is produced by the Gall bladder and stored in the Liver.

It is produced by the Liver and stored in the Liver.

Bacteria

Plasmodium

Clear selection

What kind of micro-organism causes the disease ' Rust of the Leaves of Wheat'?

1 point

Fungi

The stomach also secrets an enzyme to neutralize the acidity

The inner walls of the stomach are protected by an alkali lining.

Leguminous family

Clear selection

The biochemical process of converting Sugar into Alcohol in the presence of some microorganisms is called :

1 point

Glucose

Fermentation

Starch

Disaccharides

Clear selection

Who discovered Fermentation ?

1 point

Dr. John M Brown

Alexis St. Martin

Dr. David Adams

Louis Pasteur

Clear selection

Who discovered the bacterium Bacillus anthracis that causes anthrax in both animals and plants?

1 point

Robert Koch

Fatty acids and Glycerol; Glucose; Amino acids ( respectively)

Glucose; Fatty acids and Glycerol; Amino acids ( respectively)

Amino acids; Fatty acids and Glycerol; Glucose ( respectively)

Clear selection

What type of food should be avoided for preventing tooth decay for a healthy teeth ?

1 point

Fish and Meat

Fatty foods

Sticky and sugary foods

Fibrous foods

Clear selection

A large cream coloured gland located just below the stomach that secretes enzymes to break down sugars, fats, and starches:

1 point

Liver

Gall Bladder

Pancreas

Thyroid

Clear selection

The finger like projections present in the inner walls of the small intestine called Villi are highly efficient in absorption of nutrients into the blood stream because of their :

1 point

Specially absorption tissues

Decreased surface area

Increased surface area

Finger like shapes

Clear selection

Which part of the alimentary canal does absorb water from the food into the blood stream?

1 point

Small intestine

Large intestine

Stomach

Esophagus

Clear selection

The grass eating animals like cows, buffaloes quickly swallow the grass and store it in a part of the stomach called:

1 point

Large Intestine

Esophagus

Rumen

Small Intestine

Clear selection

What are the role of the finger like projections called pseudopodium ( false feet) in Amoeba:

1 point

It helps in locomotion

It helps in capturing food

It helps both in locomotion and capturing of food

It helps in the removal of excess water from the cell.

Clear selection

An enzyme present in saliva and is responsible for breaking down starch into simple sugars such as dextrin and maltose (which are further broken down in the intestine) is called:

1 point

Maltase

Salivary Amylase ( Ptyalin)

Lactase

Sucrase

Clear selection

It is a sac located under the liver that stores and concentrates the bile juice produced in the liver.:

1 point

Pancreas

Duodenum

Gall Bladder

Jejunum

Clear selection

This is the first part of the Small Intestine that receives bile juice from the Gall Bladder for digesting fats present in the food :

1 point

Pancreas

Duodenum

Ileum

Jejunum

Clear selection

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