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3051.

The opening and closing of the stomatal pore depends upon(a) Concentration of oxygen in the atmosphere.(b) Temperature of the atmosphere.(c) Presence of water in guard cells.(d) Concentration of CO2 in stomata

Answer» The opening and closing of the stomatal pore depends upon



(a) Concentration of oxygen in the atmosphere.

(b) Temperature of the atmosphere.

(c) Presence of water in guard cells.

(d) Concentration of CO2 in stomata
3052.

Write a short note on Algae.

Answer» Write a short note on Algae.
3053.

Animal cell wall is made up of proteins and lipids outer layer is made up of lipid or protein?

Answer» Animal cell wall is made up of proteins and lipids outer layer is made up of lipid or protein?
3054.

The technique with “sephadex gel column” is used to

Answer»

The technique with “sephadex gel column” is used to


3055.

Which is the bag-like structure that receives food from the food pipe?

Answer»

Which is the bag-like structure that receives food from the food pipe?



3056.

Species found exclusively in a particular area are called ______________ species.

Answer»

Species found exclusively in a particular area are called ______________ species.



3057.

The male gametes in a flower are contained in__.

Answer»

The male gametes in a flower are contained in__.

3058.

Where does digestion of proteins take place inside the body?

Answer»

Where does digestion of proteins take place inside the body?


3059.

How do the plants given below reproduce? Rose, Hibiscus, Bougainvillea, Sugarcane

Answer»

How do the plants given below reproduce?
Rose, Hibiscus, Bougainvillea, Sugarcane


3060.

Question 14State whether the following statements are True or False. Correct the false statements.(i) There can be a wildlife sanctuary within a biosphere reserve.(ii) Plants of a particular area are collectively termed as fauna.(iii) Deforestation leads to an increase in the water holding capacity of the soil(iv) Bison is an endemic fauna of Pachmarhi Biosphere Reserve.

Answer» Question 14

State whether the following statements are True or False. Correct the false statements.



(i) There can be a wildlife sanctuary within a biosphere reserve.

(ii) Plants of a particular area are collectively termed as fauna.

(iii) Deforestation leads to an increase in the water holding capacity of the soil

(iv) Bison is an endemic fauna of Pachmarhi Biosphere Reserve.
3061.

The best irrigation system for a drought affected region like Rajasthan is

Answer»

The best irrigation system for a drought affected region like Rajasthan is


3062.

Which one of the following has diploid set of chromosomes?

Answer»

Which one of the following has diploid set of chromosomes?



3063.

When you keep food items like bread and fruits outside for a long time especially during the rainy season, you will observe a cottony growth on them.(a)What is this growth called?(b)How does the growth take place?

Answer» When you keep food items like bread and fruits outside for a long time especially during the rainy season, you will observe a cottony growth on them.

(a)What is this growth called?

(b)How does the growth take place?
3064.

Which of the following is not a greenhouse gas? Nitrogen

Answer»

Which of the following is not a greenhouse gas?


  1. Nitrogen


3065.

An example of colonial algae is

Answer»

An example of colonial algae is


3066.

Which of the following statements are true about microbes?

Answer»

Which of the following statements are true about microbes?





3067.

Which gland stimulates testes to release testosterone?

Answer»

Which gland stimulates testes to release testosterone?


3068.

How do a single celled organism like amoeba take in food?

Answer» How do a single celled organism like amoeba take in food?
3069.

The cell organelle involved in forming complex sugars from simple sugars are ________.

Answer» The cell organelle involved in forming complex sugars from simple sugars are ________.
3070.

Is Mitochondria the seat of ' Kreb's cycle'?

Answer» Is Mitochondria the seat of ' Kreb's cycle'?

3071.

The postulates of the cell theory were proposed by

Answer»

The postulates of the cell theory were proposed by

3072.

Which of the following instruments can be used to observe cells?

Answer»

Which of the following instruments can be used to observe cells?



3073.

Which of the following is not a part of Pachmarhi Biosphere Reserve ? (a) Borl Wildlife Sanctuary (b) Satpura National park (c) Bandipur National Park (d) Pachmarhi Wildlife Sanctuary

Answer»

Which of the following is not a part of Pachmarhi Biosphere Reserve ?
(a) Borl Wildlife Sanctuary
(b) Satpura National park
(c) Bandipur National Park
(d) Pachmarhi Wildlife Sanctuary

3074.

Why protected forests are also not completely safe for wild animals?

Answer» Why protected forests are also not completely safe for wild animals?
3075.

______ is a barrier built across a stream, river, or estuary to store water for irrigation.

Answer»

______ is a barrier built across a stream, river, or estuary to store water for irrigation.


3076.

How can you determine the pH and nutrient content of soil?

Answer»

How can you determine the pH and nutrient content of soil?


3077.

Question 9What are antibiotics? What precautions must be taken while taking antibiotics?

Answer»

Question 9

What are antibiotics? What precautions must be taken while taking antibiotics?



3078.

Briefly describe foot and mouth disease.

Answer» Briefly describe foot and mouth disease.
3079.

Which endocrine gland (a) maintain calcium in the blood (B)regulate calcium in the body

Answer» Which endocrine gland
(a) maintain calcium in the blood
(B)regulate calcium in the body
3080.

Question 5 The gas released during the preparation of bread is(a) oxygen(b) carbon dioxide(c) nitrogen(d) sulphur dioxide

Answer» Question 5

The gas released during the preparation of bread is



(a) oxygen

(b) carbon dioxide

(c) nitrogen

(d) sulphur dioxide
3081.

Who is the 'Father of Microbiology'?

Answer»

Who is the 'Father of Microbiology'?


3082.

Question 9What is the need for a system of control and coordination in an organism?

Answer»

Question 9

What is the need for a system of control and coordination in an organism?



3083.

Which of the following nuclei are present in the pollen grain?

Answer»

Which of the following nuclei are present in the pollen grain?


3084.

The above image represents a _____, the basic unit of nervous tissue.

Answer»

The above image represents a _____, the basic unit of nervous tissue.


3085.

Sanjay Gandhi Wildlife Sanctuary is located in : (a) Rajasthan (b) Manipur (c) Madhya Pradesh (d) Maharashtra

Answer»

Sanjay Gandhi Wildlife Sanctuary is located in :
(a) Rajasthan
(b) Manipur
(c) Madhya Pradesh
(d) Maharashtra

3086.

Name a natural antimalarial obtained from the picture given -

Answer»

Name a natural antimalarial obtained from the picture given -



3087.

The decomposition process carried out by soil microorganisms enhances the natural availability of ________ in the soil.

Answer»

The decomposition process carried out by soil microorganisms enhances the natural availability of ________ in the soil.


3088.

Choose an appropriate question tag for the blank. The hot areas have the greatest need for tree cover, __________?

Answer»

Choose an appropriate question tag for the blank.

The hot areas have the greatest need for tree cover, __________?


3089.

All different types of Agricultural implements name them

Answer» All different types of Agricultural implements name them
3090.

What is the major difference between plastids and vacuoles?

Answer» What is the major difference between plastids and vacuoles?
3091.

Colchicine is obtained from which of the following families?

Answer»

Colchicine is obtained from which of the following families?


3092.

What are the different types of bees found in a honeycomb? what are their functions? who rule the whole clan?

Answer» What are the different types of bees found in a honeycomb? what are their functions? who rule the whole clan?
3093.

Explain the function of mitochondria in a cell.

Answer»

Explain the function of mitochondria in a cell.

3094.

What are plantation crops, fibre crops and tuber crops?

Answer»

What are plantation crops, fibre crops and tuber crops?

3095.

iodine is necessary for the synthesis of one of the following hormones. This hormone is : (a) adrenaline (b) auxin (c) insulin (d) thyroxine

Answer»

iodine is necessary for the synthesis of one of the following hormones. This hormone is :

(a) adrenaline (b) auxin (c) insulin (d) thyroxine

3096.

How can algae grow in ocean bed of marain trench as there is no light for algae to grow

Answer» How can algae grow in ocean bed of marain trench as there is no light for algae to grow
3097.

Examples for the following - √ Kharif crops √ Rabi crops

Answer»

Examples for the following -

√ Kharif crops

√ Rabi crops

3098.

Which soil among the following would you expect to have the lowest percolation rate?

Answer»

Which soil among the following would you expect to have the lowest percolation rate?


3099.

How can bad habit like Drug addiction harm the youth people?

Answer» How can bad habit like Drug addiction harm the youth people?
3100.

Q31. Consider the following statements with reference to Public distribution system (PDS) 1. It has been established by the Ministry of Agriculture 2. Major commodities distributed include staple food grains only Which of the above statement(s) is/are correct?

Answer»

Q31. Consider the following statements with reference to Public distribution system (PDS)

1. It has been established by the Ministry of Agriculture

2. Major commodities distributed include staple food grains only

Which of the above statement(s) is/are correct?