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2851.

Give one use of the following:-stomata

Answer»

Give one use of the following:-stomata

2852.

Differentiatebetween the following.(a)Wildlife sanctuary and biosphere reserve(b) Zooand wildlife sanctuary(c)Endangered and extinct species(d) Floraand fauna

Answer»

Differentiate
between the following.



(a)
Wildlife sanctuary and biosphere reserve


(b) Zoo
and wildlife sanctuary


(c)
Endangered and extinct species


(d) Flora
and fauna

2853.

Explain how, the irrigation requirements of a crop depend on the nature of soil in which the crop is grown.

Answer»

Explain how, the irrigation requirements of a crop depend on the nature of soil in which the crop is grown.

2854.

how blood cancer can be treated explain

Answer» how blood cancer can be treated explain
2855.

Ap-n photodiode is made of a material with a bandgap of 2.0 eV. The minimum frequency of the radiationthat can be absorbed by the material is nearly\lbrack AIPMT (Prelims)-2008\rbrack(1) 20 x 1014 Hz(2) 10 x 1014 Hz(3) 5x 1014 Hz(4) 1 x 1014 Hz

Answer» Ap-n photodiode is made of a material with a bandgap of 2.0 eV. The minimum frequency of the radiationthat can be absorbed by the material is nearly\lbrack AIPMT (Prelims)-2008\rbrack(1) 20 x 1014 Hz(2) 10 x 1014 Hz(3) 5x 1014 Hz(4) 1 x 1014 Hz
2856.

The following is an example of___ . Amino acids → Enzymes, Hormones, Proteins

Answer» The following is an example of___ .

Amino acids → Enzymes, Hormones, Proteins
2857.

Question 1(iii)Define the term Gangue.

Answer» Question 1(iii)

Define the term Gangue.
2858.

First living cells were discovered by:(a) Robert Hooke(b) Purkinje(c) Leeuwenhoek(d) Robert Brown

Answer» First living cells were discovered by:



(a) Robert Hooke

(b) Purkinje

(c) Leeuwenhoek

(d) Robert Brown
2859.

Assisted reproductive technology, GIFT involves transfer of:

Answer» Assisted reproductive technology, GIFT involves transfer of:
2860.

Wuchereria is found in

Answer» Wuchereria is found in
2861.

I am a comma-shaped bacterial pathogen which spreads through contaminated water and food. I cause severe diarrhoea and water loss in the infected person. If not properly treated the infected person can be dehydrated. Who am I?

Answer»

I am a comma-shaped bacterial pathogen which spreads through contaminated water and food. I cause severe diarrhoea and water loss in the infected person. If not properly treated the infected person can be dehydrated. Who am I?


2862.

By taking the example of snakes, explain how by killing small animals, we are actually harming ourselves.

Answer»

By taking the example of snakes, explain how by killing small animals, we are actually harming ourselves.

2863.

Which of the following measure(s) can be taken for the proper maintenance of a dairy farm?

Answer»

Which of the following measure(s) can be taken for the proper maintenance of a dairy farm?



2864.

Contains of a fertilizer

Answer» Contains of a fertilizer
2865.

What part of the cell serves to process, package and export proteins?

Answer» What part of the cell serves to process, package and export proteins?
2866.

Write notes on the following : (a) Dehydration (b) Vaccination

Answer»

Write notes on the following :



(a) Dehydration (b) Vaccination



2867.

Choose the right word to fill in the blanks. (a) The ………… is an organelle found only in plant cells. 1. ribosomes 2. mitochondria 3.plastids 4. nucleus (b) Chromosomes are found in the organelle called ………… . 1. plastids 2. mitochondria 3.nucleus 4. Golgi body (c) The ………… cell carries out photosynthesis. 1. plant 2. yeast 3.muscle 4. nerve

Answer»

Choose the right word to fill in the blanks.



(a) The ………… is an organelle found only in plant cells.



1. ribosomes 2. mitochondria 3.plastids 4. nucleus



(b) Chromosomes are found in the organelle called ………… .



1. plastids 2. mitochondria 3.nucleus 4. Golgi body



(c) The ………… cell carries out photosynthesis.



1. plant 2. yeast 3.muscle 4. nerve



2868.

In the given setup, which of the following arrows show the correct movement of water molecules.

Answer»

In the given setup, which of the following arrows show the correct movement of water molecules.

2869.

What is nitrogen cycle?

Answer»

What is nitrogen cycle?

2870.

Question 2 Name two biologically important compounds that contain both oxygen and nitrogen.

Answer» Question 2
Name two biologically important compounds that contain both oxygen and nitrogen.
2871.

Name the vessel which carries blood away from the heart.

Answer»

Name the vessel which carries blood away from the heart.



2872.

What do you mean by disease symptoms? Explain giving two examples.

Answer» What do you mean by disease symptoms? Explain giving two examples.
2873.

A certain road accident patient with an unknown blood group needs an immediate blood transfusion. Which blood group could be administered immediately without matching the blood?

Answer»

A certain road accident patient with an unknown blood group needs an immediate blood transfusion. Which blood group could be administered immediately without matching the blood?



2874.

Homo sapiens are believed to have originated from _______.

Answer» Homo sapiens are believed to have originated from _______.
2875.

What are the four major greenhouse gases?

Answer» What are the four major greenhouse gases?
2876.

Question 7Where are chromosomes found in a cell? State their function.

Answer» Question 7

Where are chromosomes found in a cell? State their function.
2877.

Is it possible to separate sugar mixed with wheat flour? If yes, how will you do it?

Answer» Is it possible to separate sugar mixed with wheat flour? If yes, how will you do it?
2878.

Minimata disease is a pollution-related disease, which is caused due to:

Answer» Minimata disease is a pollution-related disease, which is caused due to:
2879.

Runoff of fertilizers into lakes leads to:

Answer»

Runoff of fertilizers into lakes leads to:

2880.

What is anisotrophic

Answer» What is anisotrophic
2881.

Assertion (A): Nucleoli indirectly help in protein synthesis.Reason (R): Ribosome formation takes place in nucleoli.

Answer»

Assertion (A): Nucleoli indirectly help in protein synthesis.

Reason (R): Ribosome formation takes place in nucleoli.

2882.

What is the difference between asthma and bronchitis?

Answer»

What is the difference between asthma and bronchitis?

2883.

Question 25As a part of eco-club activity students were asked to raise a kitchen garden in the school premises. They were provided with some materials given in the box. List the other materials you would require. How will you plan the garden? Write the steps.khurpi, water-can, spade, shovelNote: You have been asked to use only environment friendly materials

Answer»

Question 25

As a part of eco-club activity students were asked to raise a kitchen garden in the school premises. They were provided with some materials given in the box. List the other materials you would require. How will you plan the garden? Write the steps.

khurpi, water-can, spade, shovel

Note: You have been asked to use only environment friendly materials



2884.

Which of the following crops require large amount of water for their growth and maturation?

Answer»

Which of the following crops require large amount of water for their growth and maturation?


2885.

Which of the following elements is necessary for tadpoles to undergo metamorphosis?

Answer»

Which of the following elements is necessary for tadpoles to undergo metamorphosis?


2886.

Choose the right option. [A]: Different ecosystems have different species composition. [R]: The type of species that can thrive in an ecosystem is dependent upon its geography, and climate.

Answer»

Choose the right option.
[A]: Different ecosystems have different species composition.
[R]: The type of species that can thrive in an ecosystem is dependent upon its geography, and climate.


2887.

Is Spirogyra a multicellular organism?

Answer» Is Spirogyra a multicellular organism?
2888.

Runoff of fertilizers into lakes leads to

Answer»

Runoff of fertilizers into lakes leads to


2889.

A person with blood group AB is considered as a universal recipient because he/she has ____

Answer»

A person with blood group AB is considered as a universal recipient because he/she has ____


2890.

A non- obligate component of hierarchy categories used by Linnaeus was

Answer» A non- obligate component of hierarchy categories used by Linnaeus was
2891.

___ is the characteristic fauna of Jaldapara Sanctuary, West Bengal.

Answer»

___ is the characteristic fauna of Jaldapara Sanctuary, West Bengal.

2892.

Sexual reproduction is a better mode of reproduction because:

Answer» Sexual reproduction is a better mode of reproduction because:
2893.

Describe the process of fertilisation in human beings with the help of a diagram.

Answer» Describe the process of fertilisation in human beings with the help of a diagram.
2894.

Question 2What is soil erosion?

Answer»

Question 2

What is soil erosion?



2895.

Describe the main postulates of the cell theory.

Answer»

Describe the main postulates of the cell theory.
2896.

State two important functions performed in our body by lymph.

Answer»

State two important functions performed in our body by lymph.
2897.

The scientific term for vaccination is

Answer»

The scientific term for vaccination is


2898.

Explain the process of hatching eggs under broody hen in rural areas?

Answer»

Explain the process of hatching eggs under broody hen in rural areas?

2899.

Discuss the implications of the following statement:“It is interesting to note that poultry is India’s most efficient converter of low fibre food stuff (which is unfit for human consumption) into highly nutritious animal protein food.”

Answer»

Discuss the implications of the following statement:



“It is interesting to note that poultry is India’s most efficient converter of low fibre food stuff (which is unfit for human consumption) into highly nutritious animal protein food.”

2900.

________________ involves expenditure of energy

Answer»

________________ involves expenditure of energy