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Food that contains high amount of fat would result in __.

The suspended particles released by combustion of coal in air may lead to a health disease. Select the correct disease which can be caused.

What happens in a heart attack?

Which of the following are examples of fungi?

Which bacterium lives in a symbiotic relationship with the leguminous plants?

Why wide variety of organisms are not found in polar regions?

Name the bag-like structure that receives food from the food pipe.

During the process of photosynthesis, light energy is converted to

___ is the outer green whorl of floral leaves.

Cultivation of short term crops along with the main crops in the same field is called ____ .

Growing different crops in the same field in a pre-planned succession is:

Match Column – I with Column – II and select the correct answer using the codes given below the columns.

$\begin{array}{cc}Column-I& Column-II\\ A.Redeyedfrog& P.Thickskinandstrongsenseofsmell\\ B.Toucan& Q.Thickskinandsensitivehearing\\ C.Bigcats& R.Longlargebeak\\ D.Polarbear& S.Stickypad\end{array}$

WBCS squeezed on the wall of the capillaries into the tissue

Select the part of the fish, which helps it change direction while swimming.

Which of the following is a cause of acid rain?

Prove that chlorophyll is necessary for photosynthesis.

An ___ is a functional entity of a body made up of several kinds of tissue.

Which of the following is a warm-blooded animal?

Which of these body system(s) can be affected by a food-allergic reaction?

Iodine solution turned blue black when poured on a potato slice because it contains:

List the differences between aerobic and anaerobic respiration. Give the chemical equations for both. [5 MARKS]

It is a surprising fact that plants don't need a blood-like fluid to transport food and water. They use a straw like mechanism to pull water up even to the uppermost tips. This pull of water in plants is created because of a phenomenon known as ______.

Which part of the plant performs the function of reproduction?

Saliva is responsible for ________.

Why does our body need oxygen?

What is the special feature present in human heart which does not allow mixing of blood when oxygen rich and carbon dioxide rich blood reach the heart?

The fluid present between cell membrane and nucleus is called ___ .

Mesocarp, endosperm and thalamus are edible respectively in

Veins have valves to prevent the backflow of blood because the blood in veins flow ________.

Haemoglobin present in blood that transports which of these following gases?

__ is a group of ecosystem.

The process by which plums and grapes are preserved is known as _____ .

Rahul’s father is suffering from malaria. In which category will you put this disease?

The diagram illustrates stomatal closing. The major mistake in the diagram is

Which of the following can convert atmospheric nitrogen into nitrates?

Living of frog

Group of a single type of living organisms in an ecosystem is known as ______.

Respiration involves 5 basic steps and the correct order of them is -

Water enter into sieve tubes containing sugar by the process of ___.

Do you think the microorganisms in the large intestine have a role other than producing odour in the faeces

What are plant nutrients ? How are they replenished in the soil?

Your friend touches your forehead and says that you have fever. Can you definitely say that he/she is correct?

Exchange of material between the blood and surrounding cells takes place across the thin walls of ___.

Beriberi occurs due to the deficiency of:

Explain the following digestive organ and write its functions

1. gall bladder