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2401.

Aerobic respiration takes place in the presence of

Answer»

Aerobic respiration takes place in the presence of


2402.

The majority of carbon dioxide is transported in the blood

Answer»

The majority of carbon dioxide is transported in the blood



2403.

Which pigment gives red colour to the blood?

Answer»

Which pigment gives red colour to the blood?


2404.

Which of the following suck the blood of human beings?

Answer»

Which of the following suck the blood of human beings?


2405.

The phenomenon by which birds escape from harsh and cold weather conditions is termed __.

Answer»

The phenomenon by which birds escape from harsh and cold weather conditions is termed __.

2406.

Stems also perform additional function depending upon the requirement of the plant justify the statement? 5marks question

Answer» Stems also perform additional function depending upon the requirement of the plant justify the statement?
5marks question
2407.

What is mucus( inside our nose) is?

Answer» What is mucus( inside our nose) is?
2408.

blunder wonder thunder plunder flounder

Answer»









blunder wonder thunder plunder flounder
2409.

Vegetative propagation in plants like citrus, jasmine and grapevine is done by the process of ______ .

Answer»

Vegetative propagation in plants like citrus, jasmine and grapevine is done by the process of ______ .


2410.

Adulteration in tea can cause stomach diseases due to the presence of ______ in it.

Answer»

Adulteration in tea can cause stomach diseases due to the presence of ______ in it.



2411.

What is 9+2 microtubules arranagement

Answer» What is 9+2 microtubules arranagement
2412.

Question 50Write names of few thallophytes. Draw a labelled diagram of Spirogyra

Answer»

Question 50

Write names of few thallophytes. Draw a labelled diagram of Spirogyra



2413.

A conversation between two people is given below: Person 1: I can’t have this food. Person 2: But why? Person 1: Because this food will add 10,000 calories to my body. I will become fatter. Choose the option which correctly explains what 10,000 calories is.

Answer»

A conversation between two people is given below:

Person 1: I can’t have this food.

Person 2: But why?

Person 1: Because this food will add 10,000 calories to my body. I will become fatter.

Choose the option which correctly explains what 10,000 calories is.


2414.

What is the cost of operating an electric toaster for two hours if it draws 8 A current on a 110 volt circuit and the cost of electrical energy is Rs 2.50 per kWh?

Answer»

What is the cost of operating an electric toaster for two hours if it draws 8 A current on a 110 volt circuit and the cost of electrical energy is Rs 2.50 per kWh?


2415.

The transfer of pollen grains to the stigma of the flower is called

Answer»

The transfer of pollen grains to the stigma of the flower is called


2416.

Pepsin helps in the digestion of ________ .

Answer»

Pepsin helps in the digestion of ________ .


2417.

Ascaris is characterised by

Answer»

Ascaris is characterised by


2418.

What is the structure of tropolone?

Answer» What is the structure of tropolone?
2419.

Name the part of the plant which produces its food. Name this process.

Answer» Name the part of the plant which produces its food. Name this process.
2420.

Write down the modes of infection and the preventive measures against fungal diseases.

Answer»
Write down the modes of infection and the preventive measures against fungal diseases.
2421.

Which of the following is/are example(s) of preservation of food?

Answer»

Which of the following is/are example(s) of preservation of food?


2422.

Write about the fate of pyruvate in the presence of oxygen.

Answer» Write about the fate of pyruvate in the presence of oxygen.
2423.

Which is the common passage for food and air?

Answer» Which is the common passage for food and air?
2424.

Ozone layer protects us from harmful ___ rays of the sun.

Answer»

Ozone layer protects us from harmful ___ rays of the sun.


2425.

do cells need nutrition ?

Answer»

do cells need nutrition ?

2426.

We shouldn't throw or waste food, vegetables and fruit peels. Give reason

Answer»

We shouldn't throw or waste food, vegetables and fruit peels. Give reason

2427.

Trophic hormones are formed by

Answer»

Trophic hormones are formed by


2428.

'कुट', 'कुटज' और 'कुटनी' शब्दों का विश्लेषण कर उनमें आपसी संबंध स्थापित कीजिए।

Answer» 'कुट', 'कुटज' और 'कुटनी' शब्दों का विश्लेषण कर उनमें आपसी संबंध स्थापित कीजिए।
2429.

Which of the following is a mineral required by our body? Calcium, Phosphorus, Iodine, Potassium, Magnesium, Iron

Answer»

Which of the following is a mineral required by our body?

Calcium, Phosphorus, Iodine, Potassium, Magnesium, Iron


2430.

The chromatin material is formed of

Answer»

The chromatin material is formed of



2431.

The tissue responsible for the active vertical and horizontal growth in plants is called

Answer»

The tissue responsible for the active vertical and horizontal growth in plants is called


2432.

What is special about the leaves that plant can synthesis food but other parts of a plant cannot?

Answer»

What is special about the leaves that plant can synthesis food but other parts of a plant cannot?

2433.

Which part of the neuron is made up of electrically insulating material?

Answer»

Which part of the neuron is made up of electrically insulating material?


2434.

Which of the following contain chlorophyll?

Answer»

Which of the following contain chlorophyll?

2435.

Can the weather be accurately predicted? Give reasons.

Answer» Can the weather be accurately predicted? Give reasons.
2436.

Hinge joint is present in:

Answer»

Hinge joint is present in:



2437.

Which of these is a true fish?

Answer»

Which of these is a true fish?


2438.

Name the following blood vessels

Answer»

Name the following blood vessels




2439.

What is the meaning of transportation in animals?

Answer»

What is the meaning of transportation in animals?

2440.

Question 6What is the role of saliva in the digestion of food?

Answer»

Question 6

What is the role of saliva in the digestion of food?



2441.

Why should you always perform stretching exercises before running or jogging?

Answer»

Why should you always perform stretching exercises before running or jogging?



2442.

Match the animals in Column I with their natural place of dwelling (habitat) in Column II List-I List-II (a) Earthworm (i) Sand and beaches (b) Garden lizard (ii) Burrows in soil (c) crab (iii) Deep narrow holes in dry soil (d) Rodents (iv) Surface of soil (e) Scorpion (v) Surface of shaded moist soil (f) Snails and slugs (vi) A horizon of moist soil

Answer» Match the animals in Column I with their natural place of dwelling (habitat) in Column II















































List-I List-II
(a) Earthworm (i) Sand and beaches
(b) Garden lizard (ii) Burrows in soil
(c) crab (iii) Deep narrow holes in dry soil
(d) Rodents (iv) Surface of soil
(e) Scorpion (v) Surface of shaded moist soil
(f) Snails and slugs (vi) A horizon of moist soil


2443.

Trunk of elephant is the modification of

Answer»

Trunk of elephant is the modification of


2444.

What is the method other than adaptation for animals to avoid harsh, cold condition? ___

Answer»

What is the method other than adaptation for animals to avoid harsh, cold condition?

___
2445.

The term “molecular scissors” generally refers to

Answer» The term “molecular scissors” generally refers to
2446.

What causes eutrophication in water bodies?

Answer» What causes eutrophication in water bodies?
2447.

Define Quadriceps mechanism.

Answer» Define Quadriceps mechanism.
2448.

The average of the following numbers is ___ . 24, 32, 59, 21, 19.

Answer»

The average of the following numbers is ___ .

24, 32, 59, 21, 19.

2449.

What is pulmonary respiration?

Answer» What is pulmonary respiration?
2450.

Nuts, legumes, whole grains, dark green veggies, seafood, chocolate and cocoa are a good source of what mineral?

Answer»

Nuts, legumes, whole grains, dark green veggies, seafood, chocolate and cocoa are a good source of what mineral?