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7451.

Tomatoes we see today on the shelves of grocery stores are products of

Answer»

Tomatoes we see today on the shelves of grocery stores are products of


7452.

Write down disadvantages of crop rotation.

Answer»

Write down disadvantages of crop rotation.

7453.

What is the role of plants in controlling air pollution?

Answer»

What is the role of plants in controlling air pollution?

7454.

Which of the following nutrients are absorbed by plants in large quantities from soil?

Answer»

Which of the following nutrients are absorbed by plants in large quantities from soil?


7455.

Coccidiosis in poultry is caused by

Answer» Coccidiosis in poultry is caused by
7456.

Choose the correct option: Assertion [A]: Patients having Klinefelter syndrome have higher amounts of estrogen in the body. Reason [R]: Klinefelter syndrome occurs due to appearance of an extra X chromosome in the human males.

Answer»

Choose the correct option:

Assertion [A]: Patients having Klinefelter syndrome have higher amounts of estrogen in the body.
Reason [R]: Klinefelter syndrome occurs due to appearance of an extra X chromosome in the human males.


7457.

Why bryophytes are known as amphibians of plant kingdom?

Answer»

Why bryophytes are known as amphibians of plant kingdom?

7458.

What do you mean by immunisation

Answer»

What do you mean by immunisation

7459.

Are lysosomes present only in animal cell? Please clear my doubts because different websites give different answers to this question which confused me .

Answer»

Are lysosomes present only in animal cell? Please clear my doubts because different websites give different answers to this question which confused me .

7460.

The interconvertible trioses involved in glycolysis are ___ .

Answer»

The interconvertible trioses involved in glycolysis are ___ .

7461.

It has been observed that despite the availability of the vaccine for hepatitis A in the market it may not be necessary to be given to children by the time they are 5 years old.why?

Answer»

It has been observed that despite the availability of the vaccine for hepatitis A in the market it may not be necessary to be given to children by the time they are 5 years old.why?

7462.

Explain the structure difference between plastid and mitochondria

Answer» Explain the structure difference between plastid and mitochondria
7463.

What is the difference between keratin and carotene?

Answer»

What is the difference between keratin and carotene?

7464.

Carbohydrates are found in leaves write an equation to show how it is formed in the presence of Sunlight

Answer» Carbohydrates are found in leaves write an equation to show how it is formed in the presence of Sunlight
7465.

Xanthium, Parthenium, Cyperinus are examples of

Answer»

Xanthium, Parthenium, Cyperinus are examples of


7466.

Match the following A and B AB(a) Smooth endoplasmic reticulum(i) Amoeba(b) Lysosome(ii) Nucleus(c) Nucleoid(iii) Bacteria(d) Food vacuoles(iv) Detoxification(e) Chromatin material and nucleolus(v) Suicidal bag

Answer»

Match the following A and B
AB(a) Smooth endoplasmic reticulum(i) Amoeba(b) Lysosome(ii) Nucleus(c) Nucleoid(iii) Bacteria(d) Food vacuoles(iv) Detoxification(e) Chromatin material and nucleolus(v) Suicidal bag


7467.

Suppose we conduct an experiment to demonstrate respiration in a green plant. What special precaution is required to be taken in it?

Answer»

Suppose we conduct an experiment to demonstrate respiration in a green plant. What special precaution is required to be taken in it?

7468.

Why do corns and warts occur?

Answer» Why do corns and warts occur?
7469.

Which bacteria is used for making vinegar?

Answer» Which bacteria is used for making vinegar?
7470.

DB between chondrichthyes and osteichthyes

Answer» DB between chondrichthyes and osteichthyes
7471.

what is endocytosis?one example for that.

Answer» what is endocytosis?one example for that.
7472.

pH of lysosomes is

Answer» pH of lysosomes is
7473.

______ covers the crown of the tooth.

Answer»

______ covers the crown of the tooth.


7474.

Vitamin C is essential for keeping the body disease-free. It is obtained from citrus fruits. The disease caused by the deficiency of vitamin C in the body is

Answer»

Vitamin C is essential for keeping the body disease-free. It is obtained from citrus fruits.

The disease caused by the deficiency of vitamin C in the body is


7475.

There are 2 names given to an organism in binomial nomenclature. Which are they?

Answer»

There are 2 names given to an organism in binomial nomenclature. Which are they?


7476.

Which of these is not a general function of the kidney?

Answer»

Which of these is not a general function of the kidney?


7477.

Match these movements with the type of cells/limbs in human body.

Answer»

Match these movements with the type of cells/limbs in human body.


7478.

Define the weather.

Answer»

Define the weather.

7479.

What is top soil ?

Answer»

What is top soil ?

7480.

Choose the odd one out. diffusion, respiratory gases, alveoli, capillary network.

Answer»

Choose the odd one out.
diffusion, respiratory gases, alveoli, capillary network.

7481.

Question 36 (a) Fill in the blanks (a) Fungi shows ____ mode of nutrition.

Answer» Question 36 (a)
Fill in the blanks

(a) Fungi shows ____ mode of nutrition.
7482.

Why are children vaccinated for diseases such as polio or Cholera ?explain .

Answer»

Why are children vaccinated for diseases such as polio or Cholera ?explain .

7483.

Full form of ATP

Answer» Full form of ATP
7484.

Why the plants of a snowy cold mountain (pine tree) and the plants of a hot arid desert (cactus) are different in structure and shape?

Answer»

Why the plants of a snowy cold mountain (pine tree) and the plants of a hot arid desert (cactus) are different in structure and shape?




7485.

Which of the following is not an acute disease?

Answer»

Which of the following is not an acute disease?


7486.

Bees produce honey and wax. Then why bees are called honeybees but not the waxbees ?

Answer» Bees produce honey and wax. Then why bees are called honeybees but not the waxbees ?
7487.

Twenty- five per cent of India's total land is undergoing desertification. What do you understand by desertification? How is deforestation responsible for desertification? Suggest measures to reverse desertification. [5 MARKS]

Answer»

Twenty- five per cent of India's total land is undergoing desertification. What do you understand by desertification? How is deforestation responsible for desertification? Suggest measures to reverse desertification. [5 MARKS]

7488.

What happens as a result of the contraction of arrector muscles?

Answer»

What happens as a result of the contraction of arrector muscles?


7489.

What is the function of RER (rough enoplasmic reticulum)and SER (smooth endoplasmic reticulum)?

Answer»

What is the function of RER (rough enoplasmic reticulum)and SER (smooth endoplasmic reticulum)?

7490.

What are the differences between simple permanent tissues and complex permanant tizsues?

Answer»

What are the differences between simple permanent tissues and complex permanant tizsues?

7491.

State any two functions of the mammalian skin other than those concerned with heat regulation

Answer»

State any two functions of the mammalian skin other than those concerned with heat regulation

7492.

Is it so that all chronic diseases fall in the category of non infectious disease ?

Answer» Is it so that all chronic diseases fall in the category of non infectious disease ?
7493.

Q. Why does tree acquire more leaves during summer?

Answer»

Q. Why does tree acquire more leaves during summer?

7494.

If cells of onion peel and RBC are separately kept in hyportonh solution,what among the following will take place? Explain the reason for your answer. A both the cells will swell B rbc will burst easily while cells of onion peel will resist the bursting to some extent. C a and b both are correct Do RBC and onion peel cells will behave similarly

Answer»

If cells of onion peel and RBC are separately kept in hyportonh solution,what among the following will take place? Explain the reason for your answer.

A both the cells will swell

B rbc will burst easily while cells of onion peel will resist the bursting to some extent.

C a and b both are correct

Do RBC and onion peel cells will behave similarly

7495.

He recoils _________ illness _________ the mere mention _________ her name.

Answer»

He recoils _________ illness _________ the mere mention _________ her name.


7496.

An infectious disease is ___________ .

Answer»

An infectious disease is ___________ .


7497.

Which of the following is/are soluble carbohydrates?

Answer»

Which of the following is/are soluble carbohydrates?


7498.

Given ahead is a diagrammatic representation of the process of fertilization. Study the same and then answer the questions that follow : (a) Name the parts labelled 1, 2, 3, 4, 5 and 6. (b) What happens to (i) Ovary (ii) Ovule after fertilization ? (c) What is the function of the synergids? (d) What part does the stigma play in the process of fertilization?

Answer»

Given ahead is a diagrammatic representation of the process of fertilization. Study the same and then answer the questions that follow :
(a) Name the parts labelled 1, 2, 3, 4, 5 and 6.
(b) What happens to (i) Ovary (ii) Ovule after fertilization ?

(c) What is the function of the synergids?
(d) What part does the stigma play in the process of fertilization?

7499.

Which structure is being referred to?

Answer»

Which structure is being referred to?


7500.

Which of the following statements is not true?

Answer»

Which of the following statements is not true?