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451.

What are the tiny white structure seen on the sprouts?

Answer»

What are the tiny white structure seen on the sprouts?


452.

Name any one plant that grows in water and is been eaten?

Answer» Name any one plant that grows in water and is been eaten?
453.

How many systems does a flowering plant have? Name them.

Answer» How many systems does a flowering plant have? Name them.
454.

Ants, after conquering other ant colonies, they ___ .

Answer»

Ants, after conquering other ant colonies, they ___ .


455.

Observe the picture given below. Molds on bread piece are ______.

Answer»

Observe the picture given below. Molds on bread piece are ______.




456.

Match the disorders given in column I with their symptoms under column II. Choose the answer which gives the correct combination.Column IColumn IIi. Asthmaa. Inflammation of nasal tractii. Bronchitis b. Fully blown out alveoliiii. Rhinitisc. Spasm of bronchial musclesiv. Emphysemad. Inflammation of bronchi

Answer»

Match the disorders given in column I with their symptoms under column II. Choose the answer which gives the correct combination.



Column IColumn IIi. Asthmaa. Inflammation of nasal tractii. Bronchitis b. Fully blown out alveoliiii. Rhinitisc. Spasm of bronchial musclesiv. Emphysemad. Inflammation of bronchi



457.

A leaf with two or more leaflets is called a _________ leaf.

Answer»

A leaf with two or more leaflets is called a _________ leaf.

458.

Which of the following is a characteristic of a neem flower?

Answer»

Which of the following is a characteristic of a neem flower?


459.

what id cromatography

Answer» what id cromatography
460.

Why is it recomended to wash vegetables before cutting?

Answer» Why is it recomended to wash vegetables before cutting?
461.

What is the structure of cis-platin?

Answer» What is the structure of cis-platin?
462.

Which of the following plant leaves are edible?

Answer»

Which of the following plant leaves are edible?


463.

Look at the leaves in the picture. Where do you see a spring-like part? What is the use of this part to the plant?

Answer»

Look at the leaves in the picture. Where do you see a spring-like part? What is the use of this part to the plant?



464.

State any 6 Difference between miotic and miosis

Answer» State any 6 Difference between miotic and miosis
465.

Why do veins have thin walls as compared to arteries?

Answer» Why do veins have thin walls as compared to arteries?
466.

Roots modified to grow above the ground are known as ______ roots.

Answer»

Roots modified to grow above the ground are known as ______ roots.

467.

Carbohydrates are stored in our body in the form of:

Answer»

Carbohydrates are stored in our body in the form of:


468.

Question 3In the list of animals given below, hen is the odd one out. The reason for this is human being, cow, dog, hen(a) It undergoes internal fertilization(b) It is oviparous(c) It is viviparous(d) It undergoes external fertilization

Answer» Question 3

In the list of animals given below, hen is the odd one out. The reason for this is

human being, cow, dog, hen





(a) It undergoes internal fertilization

(b) It is oviparous

(c) It is viviparous

(d) It undergoes external fertilization
469.

Which of the following is not a non-communicable disease?

Answer»

Which of the following is not a non-communicable disease?


470.

12 What is froath floation process?

Answer» 12 What is froath floation process?
471.

Read the items of food listed below. Classify them into carbohydrate rich, protein rich and fat rich foods and fill them in the given table.Moong dal, fish, mustard oil, sweet potato, milk, rice, egg, beans, butter, butter milk (chhachh), cottage cheese (paneer), peas, maize, white bread.Carbohydrate Rich Food Item (A)Protein Rich Food Item (B)Fat Rich Food Item (C)

Answer»

Read the items of food listed below. Classify them into carbohydrate rich, protein rich and fat rich foods and fill them in the given table.



Moong dal, fish, mustard oil, sweet potato, milk, rice, egg, beans, butter, butter milk (chhachh), cottage cheese (paneer), peas, maize, white bread.



Carbohydrate Rich Food Item (A)Protein Rich Food Item (B)Fat Rich Food Item (C)



472.

Beetroots are rich in___.

Answer»

Beetroots are rich in___.

473.

Keel is characteristic of the flowers ofBeanCassiaCalotropisGulmohur

Answer»

Keel is characteristic of the flowers of


  1. Bean

  2. Cassia

  3. Calotropis

  4. Gulmohur

474.

Does fish liver has more nutrients or does the other parts of the fish have more nutrients?

Answer» Does fish liver has more nutrients or does the other parts of the fish have more nutrients?
475.

Concept of abiotic, biotic and biomes? And there relation with each other with examples.

Answer»

Concept of abiotic, biotic and biomes? And there relation with each other with examples.

476.

Statement 1: Diploid cells contain only one set of chromosomes. Statement 2: Haploid cells contain two sets of chromosomes. Which of the options regarding the statements is correct?

Answer»

Statement 1: Diploid cells contain only one set of chromosomes.
Statement 2: Haploid cells contain two sets of chromosomes.
Which of the options regarding the statements is correct?


477.

What is self regulation and it is related to which characterstic?

Answer» What is self regulation and it is related to which characterstic?
478.

Which of the following is not a part of the innermost whorl of flower?

Answer»

Which of the following is not a part of the innermost whorl of flower?



479.

(b) Fossils help in establishing evolutionarytraits among organisms and their ancestors.EXPLAI

Answer» (b) Fossils help in establishing evolutionarytraits among organisms and their ancestors.EXPLAI
480.

Explain giving reasons(a) Balanced diet is necessary for maintaining healthy body.(b) Health of an organism depends upon the surrounding environmental conditions.(c) Our surrounding area should be free of stagnant water.(d) Social harmony and good economic conditions are necessary for good health.

Answer»

Explain giving reasons



(a) Balanced diet is necessary for maintaining healthy body.



(b) Health of an organism depends upon the surrounding environmental conditions.



(c) Our surrounding area should be free of stagnant water.



(d) Social harmony and good economic conditions are necessary for good health.



481.

0bserve the picture of an activity carried out with leaves of plants and bell jar.Now answer the following.(a) Which process is demonstrated in the activity?(b) When will this activity show better results on a bright sunny day or a cloudy day?(c) What will you observe in the bell jar after a few hours of setting up the activity?(d) Mention any one precaution you must take while performing this activity.

Answer» 0bserve the picture of an activity carried out with leaves of plants and bell jar.







Now answer the following.

(a) Which process is demonstrated in the activity?

(b) When will this activity show better results on a bright sunny day or a cloudy day?

(c) What will you observe in the bell jar after a few hours of setting up the activity?

(d) Mention any one precaution you must take while performing this activity.
482.

What are genes? Where are genes located?

Answer»

What are genes? Where are genes located?



483.

why body size decide the heartbeat of an organism?

Answer» why body size decide the heartbeat of an organism?
484.

Are the banyan, fig and bougainvillea flowering plants?

Answer»

Are the banyan, fig and bougainvillea flowering plants?

485.

Which dietary ingredients is essential for reducing constipation?

Answer»

Which dietary ingredients is essential for reducing constipation?



486.

Preeti carried out an experiment. She took two transparent plastic jars and labeled them as A and B. She placed one cockroach in each of the jars. She covered jar A with a mosquito net and jar B with a polythene sheet. What will be her observation after a few hours?

Answer»

Preeti carried out an experiment. She took two transparent plastic jars and labeled them as A and B. She placed one cockroach in each of the jars. She covered jar A with a mosquito net and jar B with a polythene sheet. What will be her observation after a few hours?


487.

Chymotrypsin acts on

Answer»

Chymotrypsin acts on


488.

Fishes absorb the oxygen dissolved in water through their ________.

Answer»

Fishes absorb the oxygen dissolved in water through their ________.


489.

Which of these are domestic animals?

Answer»

Which of these are domestic animals?


490.

Pollination carried out with water as the agent is called

Answer»

Pollination carried out with water as the agent is called


491.

What type of joint is found in wrist?

Answer»

What type of joint is found in wrist?



492.

recticulate venation

Answer»

recticulate venation

493.

At lower concentration of liquiid ammonia why do alkalinmetale form a deep blue colouration?

Answer» At lower concentration of liquiid ammonia why do alkalinmetale form a deep blue colouration?
494.

Why should we avoid burning of the waste?

Answer» Why should we avoid burning of the waste?
495.

The process of cell death is known as ___.

Answer» The process of cell death is known as ___.
496.

Why did Mendel choose peas for his experiments?

Answer»

Why did Mendel choose peas for his experiments?


497.

Which of the following vitamin aids the body to utilise the carbohydrates and proteins in the body?

Answer»

Which of the following vitamin aids the body to utilise the carbohydrates and proteins in the body?


498.

(a) What is the function of a flower?(b) Name those parts of the flower which serve the same function as the following do in the animals:​(i) testis (ii) ovary (iii) eggs (iv) sperms

Answer» (a) What is the function of a flower?

(b) Name those parts of the flower which serve the same function as the following do in the animals:

​(i) testis (ii) ovary (iii) eggs (iv) sperms
499.

Describe any two food-chains in your surroundings.

Answer»

Describe any two food-chains in your surroundings.

500.

Why do organisms need food variety reasons

Answer» Why do organisms need food variety reasons