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Which of the following animal is present in the mountain habitat?

Meiosis is best observed in dividing

Krish watered the seeds regularly. After some days, Krish noticed that the seeds are

To observe living microbial cells in a drop of pond water, which of the following would you use?

Pollination leads to ___

Structure of a tooth shows three parts - enamel, ___ and pulp cavity.

__ is the energy currency of the cell.

When do we consider a person as healthy?

Assertion [A]: Wine, bread and cakes are products of microbial activity.

Reason [R]: Yeast interacts or reacts with certain materials to make new substances.

Statement 1: Charcoal is a better biomass than wood.
Statement 2: Charcoal burns without flame: it is comparatively smokeless and has higher heat generation.

The term used to define the condition of blood flowing in body cavities instead of blood vessels, is called _____ type and the generalised body coelom or cavity through which it flows, is called __________.

Where is glucose broken down to obtain energy?

Which among the following organs is protected by the skull?

How many bones are there in our body at the time of birth?

The presence of features which enable a plant or animal to live and survive in its surrounding is called ___.

Bougainvillea is an example of

Which of the following will help you to differentiate a plant cell from an animal cell?

Question 20

Observe the items given in the figure carefully and answer the questions that follow.

(a) food item rich in carbohydrate is . .(i)

(b) Egg is a rich source of protein, the mineral ...(ii) .. and vitamin ....(iii)

(c) .... (iv) .... is a rich source of fat.

(d) milk provides... (v) vitamin-D and ... (vi) .. (mineral).

(e) ... (vii) ... (fruit) is a rich source of vitamin-A.

(f) Spinach is a good source of the mineral ...(viii)....

(e) Both eggs and ... (ix) ... are rich in ... (x)

Plants which consist of seeds having two cotyledons are

What is the term given to the corrosion of the tooth enamel caused due by bacterial acid production?

Why is it that many animals walk while a snake slither or crawl and a fish swim?

A scar on the seed coat through which the developing seed is attached to the fruit is

Question 21

What happens when

(a) cooking medium is made to flow down a drain?

(b) insecticides, motor oil, and paints are poured down the drain?

(c) tea leaves, cotton swabs, and soft old toys are thrown into the drain?

Among the following, which is of a biological origin?

When the cell is about to divide the chromatin material gets condensed and organised into

____ is a double-membrane bounded cell organelle present in eukaryotic cells.

Which of the following is the characteristic feature of a bisexual flower?

Which of the following is not an animal that belongs to the desert habitat?

Which type of teeth is used for cutting or shearing food?

Match the disorders given in column I with their symptoms under column II. Choose the answer which gives the correct combination.

$\begin{array}{cc}\text{Column I}& \text{Column II}\\ \text{i. Asthma}& \text{a. Inflammation of nasal tract}\\ \text{ii. Bronchitis}& \text{b. Fully blown out alveoli}\\ \text{iii. Rhinitis}& \text{c. Spasm of bronchial muscles}\\ \text{iv. Emphysema}& \text{d. Inflammation of bronchi}\end{array}$

"parasites are only animals and not plants" do you agree with the statement? justify your answer.

Which of these nutrients is an immediate source of energy?

Pigment present in plants that gets activated in the light dependent phase of photosynthesis.

Enter 1 word only.

One Sunday Karan went to a zoo with his father. There he saw a deer eating grass. He was wondering why it was not eating the type of food that he eats. Then his father said that this is because it is a ________.

Is fire living or not

.... It takes oxygen to burned

Differentiate between unicellular and multicellular organism with examples

The major nutrients of our food are ___ .

Identify the verb which gives future continuous tense to the sentence.

Jack will not be singing with us as he has a sore throat.

Man can stand straight because of the:

Babies are born with about 300 bones, while adults only have 206. Which of the following options support this statement?