Question 1

Which of the following is an Abiotic factor?

Accepted Answer

Abiotic and biotic factors are what make up an ecosystem. Abiotic factors are all nonliving components of an ecosystem. These factors include chemical and geological features such as water or lack of water, soil, rocks, and minerals. Other abiotic factors include physical components such as the temperature and weather affecting the ecosystem. The biotic factors in an ecosystem include all living things. All plants, animals, fungi, protists, and bacteria within an ecosystem make up that system's biotic factors. The biotic factors can be broken down further into producers, consumers, and decomposers. The biotic factors present in an ecosystem are highly dependent on the abiotic factors that are present. Even slight changes to either factor can have a major consequence upon the system as a whole.

Question 2

Important objective of biotechnology in agriculture section is _________

Accepted Answer

% produce best resistant varieties of plant

Question 3

Which of the following pairs is mismatched?

Accepted Answer

van Leeuwenhoek - germ theory

Question 4

Excretion is best described as the removal of

Accepted Answer

Excretion is best described as the removal of Metabolic wastes from a cell.

Question 5

Deep fried foods are carcinogenic because they are rich in

Accepted Answer

Deep fried foods are carcinogenic because they are rich in fats.

Question 6

Source of infection in diseases like Tuberculosis, Mumps and Whooping cough is

Accepted Answer

Droplets of saliva

Question 7

Biological complete proteins are found in

Accepted Answer

Meat, Milk, Egg

Question 8

Islets of Langerhans are present in

Accepted Answer

Pancreas

Question 9

karl Landsteiner discovered

Accepted Answer

Blood groups

Question 10

In exo-biology we study about ________

Accepted Answer

Life found in space and on other satellite

Question 11

An area of dead myocardial tissue is called

Accepted Answer

An area of dead myocardial tissue is called an infarct.

Question 12

Which of these does not contain a structural protein?

Accepted Answer

Ovalbumin

Question 13

How many Enzymes are there in the Human Body?

Accepted Answer

There are nearly about 75000 enzymes of 3 classes are there in the human body They are : 1 Metabolic Enzymes - Enzymes that help to run our Bodies 2 Digestive Enzymes - Enzymes that help in digesting Food 3 Food Enzymes - Enzymes from raw foods that start our Food digestion

Question 14

The most healthy edible oil for heart is

Accepted Answer

Olive Oil

Question 15

Succus Entericus is secreted by

Accepted Answer

Succus Entericus is the alkaline secretion produced by glands in the wall of the duodenum, consisting of water, mucoproteins, and hydrogencarbonate ions. Succus Entericus is secreted by Crypts of Lieberkuhn. It helps to counteract the highly acidic and proteolytic chyme entering the small intestine from the stomach, and thus protects the duodenum from damage.

Question 16

Which part of the brain is responsible for consciousness?

Accepted Answer

Cerebrum

Question 17

The pair of spinal nerves in main are

Accepted Answer

31

Question 18

Blood pressure is measured with

Accepted Answer

Sphygmomanometer

Question 19

Plantain is

Accepted Answer

Plantain plant is a herb, because it does not have an aerial stem - what appears as a stem is really the leaves with sheathing bases. As the piant lives for several years it is called perennial herb

Question 20

Sleeping sickness in man is caused by the organism

Accepted Answer

Trypanosoma is a protozoan animal. It lives as a parasite in the blood and later invades the cerebrospinal fluid to cause the sleeping sickness. This parasite is transmitted by the Tsetse fly.

Biology Questions