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Which of the following instrument is used to hear the heartbeats?

What are the two types of garbage? Explain. [2 MARKS]

Which one of the following pairs is not a living thing?

In respiration, air passes through

Identify a beaker from the following experimental setup:

Fishes with lobed and muscular paired fins belong a class termed _____.

Alveoli become enlarged and damaged with reduced surface area in heavy smokers. The condition is called

How does potassium help the body? Name one food item which is rich in potassium. [3 MARKS]

Describe 5 animal food products and also mention the sources of the food products. [5 MARKS]

Write the difference between:
Pectoral and Pelvic girdle

The colourful part of the plant which attracts insects for pollination is called ____.

The biotic and abiotic factors in the surroundings and their mutual relationship together form the _________

Where is the layer of fat present in the polar bears?

what is variation

Objects which cannot be seen by naked eyes are observed through a __.

Why carbohydrates material turns into blue -black color when add bit of iodine to it?

If the 2nd step of an input is: clan cord for die swan kill bit son, which is certainly the input?

There is a component in our food which gets stored in our body and acts as an energy bank. Which component is this?

Though considered a trait of living organisms, which of the following would not be considered a defining feature of living organsims?

Which of the following is sourced from sugarcane juice?

__________ is responsible for imparting yellow or red colour to plant parts.

Which kind of cells is our brain made up of?

Question 4

Which of the following are characteristics of living beings?

(i) Respiration
(ii) Reproduction
(iii) Adaptation
(iv) Excretion

Choose the correct answer from the options below:
(a) (1), (2) and (4)
(b) (1) and (2)
(c) (2) and (4)
(d) (1), (2), (3) and (4)

The joint which allows us to bend our head forward and backwards is:

Assertion: Nucleoli indirectly help in protein synthesis.
Reason: Ribosome formation takes place in nucleoli.

What makes plastics non-biodegradable?

Among the listed items, the highest amount of protein is present in ____.

Question 4.1

Answer the following:
What is a ball and socket joint?

Which of the following organs is most affected by smoking?

The exchange of gases $O_2$ and $C{O}_2$ in a mammal takes place in

Which of the following does not respire through lungs?

A large part of Africa lies in this hemisphere.

Which of the following are plants with soft stems that climb up with a support?

Which of the following nutrients do not provide energy?

Taproot has a main root which bears many side branches called _________

Identify the parts of the flower.

The part of the tree that is used for various construction purposes is

__ is the manner in which the ovules are arranged in the plant ovary.

Amongst the following which animal has the most advanced brain?

The outermost covering of the egg is called:

Name the following:

The nutrients mainly give energy to our bodies.

Waste materials should be ___ into recyclable and non-recyclable materials.

In the process of seed germination ___ plays a vital role.

The loss of water from the leaves of plants as water vapour through the stomata is called as:

Which bin is used for collecting the materials that can be used again?

Flowers are colourful, beautiful and attractive so that

why can't we compost plastic bags