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6201.

"Nucleus acts as controller of a cell".Explain. [2 MARKS]

Answer»

"Nucleus acts as controller of a cell".Explain. [2 MARKS]

6202.

What is eutrophication?

Answer» What is eutrophication?
6203.

Why are forests called “the dynamic living entity” ? [5 MARKS]

Answer»

Why are forests called “the dynamic living entity” ? [5 MARKS]

6204.

Which of the following cells during game to genesis is normally diploid?

Answer»

Which of the following cells during game to genesis is normally diploid?


6205.

Identify A and B in the figure and state their function. [3 MARKS]

Answer»

Identify A and B in the figure and state their function. [3 MARKS]

img

6206.

The life span of common water hyacinth seed is about ___________

Answer»

The life span of common water hyacinth seed is about ___________


6207.

Which type of photosynthetic reaction will involve the splitting of water and the release of oxygen

Answer»

Which type of photosynthetic reaction will involve the splitting of water and the release of oxygen


6208.

Why seeds need to be dried before storing ?

Answer»

Why seeds need to be dried before storing ?

6209.

Which of the following is/are true regarding a sanctuary?

Answer»

Which of the following is/are true regarding a sanctuary?


6210.

Lysososmes are called the suicide sacs. They eat

Answer»

Lysososmes are called the suicide sacs. They eat

6211.

What's placenta ? What function does it performs?

Answer»

What's placenta ? What function does it performs?

6212.

The protoplasm contains various smaller parts called the cell organells. True/False

Answer»

The protoplasm contains various smaller parts called the cell organells. True/False

6213.

Q. List five ways in which one, as an individual,can contribute to conserving forests and wildlife

Answer» Q. List five ways in which one, as an individual,can contribute to conserving forests and wildlife
6214.

Fertilisers increase fertility of the soil. True or False?

Answer»

Fertilisers increase fertility of the soil.

True or False?

6215.

What is digestion? Mention the two types.

Answer»

What is digestion? Mention the two types.

6216.

Large scale storage of grains is done in ___ and granaries.

Answer» Large scale storage of grains is done in ___ and granaries.
6217.

Which of the following is the main cause of global warming?

Answer»

Which of the following is the main cause of global warming?


6218.

Which of the following is not a source of vitamin C?

Answer»

Which of the following is not a source of vitamin C?


6219.

How do nerve cells transmitt electricity?

Answer»

How do nerve cells transmitt electricity?

6220.

Question 3 (c) Fill up the blank The habitats of plants and animals that live in water are called ___ habitat.

Answer»

Question 3 (c)

Fill up the blank
The habitats of plants and animals that live in water are called ___ habitat.

6221.

Which of the following kingdom include organisms that are non-motile and uni/multicellular heterotrophic organisms?

Answer»

Which of the following kingdom include organisms that are non-motile and uni/multicellular heterotrophic organisms?


6222.

Of a total of 34 biodiversity hotspots in the world, how many are present in India?

Answer»

Of a total of 34 biodiversity hotspots in the world, how many are present in India?


6223.

The habitat of plants and animals that live in water is ____.

Answer»

The habitat of plants and animals that live in water is ____.


6224.

Which of the following organs produce the ovum?

Answer»

Which of the following organs produce the ovum?


6225.

You and your friends plan to go fishing this week. All of you are well prepared and very excited, the moment you reach your nearby river you see a board saying 'Do not consume the fishes of this river', can you think of a reason as to why this board has been placed at that site with such a warning?

Answer»

You and your friends plan to go fishing this week. All of you are well prepared and very excited, the moment you reach your nearby river you see a board saying 'Do not consume the fishes of this river', can you think of a reason as to why this board has been placed at that site with such a warning?


6226.

Why antibiotics should not be over used?

Answer»

Why antibiotics should not be over used?

6227.

Why do infants breathe faster than adults?

Answer» Why do infants breathe faster than adults?
6228.

Name one meat yielding animal and one egg yielding animal.

Answer»

Name one meat yielding animal and one egg yielding animal.

6229.

Water from the soil enters the root xylem by the process

Answer»

Water from the soil enters the root xylem by the process


6230.

Plants and animals living in a habitat are known as __ components.

Answer»

Plants and animals living in a habitat are known as __ components.

6231.

Amrita bishnoi lost her life while saving forest of ___ trees.

Answer»

Amrita bishnoi lost her life while saving forest of ___ trees.

6232.

A person who buys goods for personal use is called a

Answer»

A person who buys goods for personal use is called a


6233.

Define prokaryotic and eukaryotic cell.

Answer»

Define prokaryotic and eukaryotic cell.

6234.

A group of similar individuals that have the potential to interbreed in nature are called:

Answer»

A group of similar individuals that have the potential to interbreed in nature are called:


6235.

What should the diet of an adolescent consist of?

Answer»

What should the diet of an adolescent consist of?


6236.

The bread dough rises because of : (a) heat (b) grinding (c) growth of yeast cells (d) kneading

Answer»

The bread dough rises because of :

(a) heat (b) grinding (c) growth of yeast cells (d) kneading

6237.

What differs nerve cells from other cells?

Answer» What differs nerve cells from other cells?
6238.

Why is kharif crop grown season

Answer» Why is kharif crop grown season
6239.

virions consist of : (a)nucliec acids (b)nucleus (c)cell organelles (d)cytoplasm

Answer» virions consist of :
(a)nucliec acids
(b)nucleus
(c)cell organelles
(d)cytoplasm






6240.

The number of days for which the life cycle of a honey-bee lasts?

Answer»

The number of days for which the life cycle of a honey-bee lasts?


6241.

Aloe extract which is good for sunburns and has laxative properties is sourced from ___________.

Answer»

Aloe extract which is good for sunburns and has laxative properties is sourced from ___________.


6242.

Find the missing word; Meiosis ----→ __ ----→ Mitosis ----→ Growth

Answer»

Find the missing word;

Meiosis ----→ __ ----→ Mitosis ----→ Growth

6243.

Explain how, soil gets affected by the repeated growing of crops in the same fields. How does use of fertilisers help the farmers ?

Answer»

Explain how, soil gets affected by the repeated growing of crops in the same fields. How does use of fertilisers help the farmers ?

6244.

what is the importance of protozoa

Answer»

what is the importance of protozoa

6245.

CHOOSE THE CORRECT OPTION : 1) Minerals from soil are absorbed by root hair by the mechanism of a) Diffusion C) Active Transport b) Osmosis. D) Selective Transport (( Give reason for supporting your answer ))

Answer»

CHOOSE THE CORRECT OPTION :

1) Minerals from soil are absorbed by root hair by the mechanism of

a) Diffusion C) Active Transport

b) Osmosis. D) Selective Transport

(( Give reason for supporting your answer ))

6246.

Chromosomes are made up of:

Answer» Chromosomes are made up of:
6247.

Which of the following is not a commonly cultivated variety of mushroom?

Answer»

Which of the following is not a commonly cultivated variety of mushroom?


6248.

The compound alicin present in __________ has anti-oxidant properties and also help in reducing inflammation.

Answer»

The compound alicin present in __________ has anti-oxidant properties and also help in reducing inflammation.


6249.

Predation is usually referred to as a detrimental association. State any three positive roles that a predator plays in an ecosystem. [3]

Answer» Predation is usually referred to as a detrimental association. State any three positive roles that a predator plays in an ecosystem. [3]
6250.

What is migration

Answer»

What is migration