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2851.

How many amino acids are present in insulin?

Answer»

How many amino acids are present in insulin?

2852.

What is dialysis? Under what condition is it carried out?

Answer» What is dialysis? Under what condition is it carried out?
2853.

When do chromosomes become visible in a cell?

Answer»

When do chromosomes become visible in a cell?


2854.

Identify the labelled parts of the given ovule.

Answer»

Identify the labelled parts of the given ovule.


2855.

How did the other mariners behave towards the Ancient Mariner at first? How many times did they change their mind about the Ancient Mariner? What does this tell us about their character?

Answer»

How
did the other mariners behave towards the Ancient Mariner at first?
How many times did they change their mind about the Ancient Mariner?
What does this tell us about their character?

2856.

Which organ is responsible for storing bile?

Answer»

Which organ is responsible for storing bile?


2857.

53.Thefossilbonehasa14c:12Cratio,which is of16that in a living animal bone. If the half-life of 14C is5730 years, then the age of the fossil bone is:(AIIMS 2006)(a) 11460 years(c) 22920 years(b) 17190 years(d) 45840 years

Answer» 53.Thefossilbonehasa14c:12Cratio,which is of16that in a living animal bone. If the half-life of 14C is5730 years, then the age of the fossil bone is:(AIIMS 2006)(a) 11460 years(c) 22920 years(b) 17190 years(d) 45840 years
2858.

Name the organ in humans which produces sound.

Answer» Name the organ in humans which produces sound.
2859.

A man with blue eyes and black hair marries a woman with black eyes and brown hair. A year later they have a child. The child has blue eyes and black hair. If black eyes (B) are dominant over blue eyes (b) and black hair (H) is dominant over brown hair (h), which of the following options correctly predicts the genotype of the child?

Answer»

A man with blue eyes and black hair marries a woman with black eyes and brown hair. A year later they have a child. The child has blue eyes and black hair. If black eyes (B) are dominant over blue eyes (b) and black hair (H) is dominant over brown hair (h), which of the following options correctly predicts the genotype of the child?



2860.

Look at the figure given below. It is a section of human kidney as seen from the front. (a) Is it a longitudinal section or a cross-section ? (b) Name the parts numbered 1-5. (c) Which area/part (give its name and the number given on the diagram) contains the following respectively : (i) Malpighian capsule (ii) The pyramids (iii) Freshly collected urine

Answer»

Look at the figure given below. It is a section of human kidney as seen from the front.

(a) Is it a longitudinal section or a cross-section ?

(b) Name the parts numbered 1-5.

(c) Which area/part (give its name and the number given on the diagram) contains the following respectively :

(i) Malpighian capsule

(ii) The pyramids

(iii) Freshly collected urine

2861.

Which of the following forces is/are responsible for the ascent of sap?

Answer»

Which of the following forces is/are responsible for the ascent of sap?


2862.

According to the newspaper, what had happened to Sebastian Shultz?

Answer»

According
to the newspaper, what had happened to Sebastian Shultz?

2863.

Make a survey of your school according to the plan of disaster managment an write the pointwise information.

Answer» Make a survey of your school according to the plan of disaster managment an write the pointwise information.
2864.

Iodine solution is prepared using 0.3g of Iodine and __________________ in 100ml of water.

Answer»

Iodine solution is prepared using 0.3g of Iodine and __________________ in 100ml of water.


2865.

Identify the following.

Answer»

Identify the following.


2866.

Soil is one of the most important natural resources. Explain.

Answer» Soil is one of the most important natural resources. Explain.
2867.

After fertilization, ________ forms the fruit.

Answer»

After fertilization, ________ forms the fruit.


2868.

Fore brain comprises of how many parts? Which are they?

Answer» Fore brain comprises of how many parts? Which are they?
2869.

29.Which of the following has higher solubility PbS or ZnS

Answer» 29.Which of the following has higher solubility PbS or ZnS
2870.

What is extra cellular fluid (ECF)?

Answer»

What is extra cellular fluid (ECF)?

2871.

A student is observing a permanent slide showing sequentially the different stages of a asexual reproduction taking place in yeast. Name this process and draw diagrams, of what he observes, in a proper sequence.

Answer» A student is observing a permanent slide showing sequentially the different stages of a asexual reproduction taking place in yeast. Name this process and draw diagrams, of what he observes, in a proper sequence.
2872.

Find the interval where the function log(1+x) is continuous

Answer» Find the interval where the function log(1+x) is continuous
2873.

What happens in a heart attack?

Answer»

What happens in a heart attack?



2874.

Does glycine exist in zwitterion form or not and why ?

Answer» Does glycine exist in zwitterion form or not and why ?
2875.

If people in Dhanu's village did not leave the village in search of work, what difficulties would they face in their own village? In Dhanu’s village, there can be no farming when there is no rain. Do you think farming can be done even without rain water? How?

Answer»

  • If people in Dhanu's village did not leave the village in search of work, what difficulties would they face in their own village?


  • In Dhanu’s village, there can be no farming when there is no rain. Do you think farming can be done even without rain water? How?



2876.

structure of tetrachloroethene

Answer» structure of tetrachloroethene
2877.

Name the famous book written by Charles Robert Darwin.

Answer»

Name the famous book written by Charles Robert Darwin.

2878.

Describe the process of double circulation in human beings with the help of a diagram. Why is double circulation necessary?

Answer»

Describe the process of double circulation in human beings with the help of a diagram. Why is double circulation necessary?

2879.

Which all of the following are health problems associated with smoking?

Answer»

Which all of the following are health problems associated with smoking?


2880.

What carries the digested fats in the body?

Answer»

What carries the digested fats in the body?


2881.

Question 1What is the difference between a reflex action and walking?

Answer»

Question 1

What is the difference between a reflex action and walking?



2882.

Mendel formulated the law of purity of gametes on the basis of________.

Answer»

Mendel formulated the law of purity of gametes on the basis of________.


2883.

Which of the following are fungal infections?

Answer»

Which of the following are fungal infections?


2884.

What is genetics?

Answer» What is genetics?
2885.

Which of the following statements is not true with respect to variation?

Answer» Which of the following statements is not true with respect to variation?
2886.

Label the parts of the respiratory system.

Answer»

Label the parts of the respiratory system.


2887.

29. Fraction of edge covered by Cl- ions in a unit cell of NaCl is?

Answer» 29. Fraction of edge covered by Cl- ions in a unit cell of NaCl is?
2888.

Why Hg2Cl2 is exception of solubility product (ksp)?

Answer» Why Hg2Cl2 is exception of solubility product (ksp)?
2889.

How is the movement in plants different from that of animals ?

Answer»

How is the movement in plants different from that of animals ?

2890.

How do pathogens enter our body ? Give examples of pathogens

Answer»

How do pathogens enter our body ? Give examples of pathogens



2891.

Question 3What are fossils? What do they tell us about the process of evolution?

Answer»

Question 3

What are fossils? What do they tell us about the process of evolution?



2892.

An action potential is sure to fire, once_________ channels are open.

Answer»

An action potential is sure to fire, once_________ channels are open.


2893.

• Have fun with clay- Take a clay ball.- Use a rolling pin and roll the clay out flat.- Make a clay pancake (round like a roti or idli).- With the help of a matchstick, draw a circle or use a bowl to cut a circle out of the rolled clay.- Use the extra clay to make eyes, nose, ears and a 'smiley' or a sad face.- Also try making hair.• What else can you do to make the face colourful?

Answer» • Have fun with clay

- Take a clay ball.

- Use a rolling pin and roll the clay out flat.

- Make a clay pancake (round like a roti or idli).

- With the help of a matchstick, draw a circle or use a bowl to cut a circle out of the rolled clay.

- Use the extra clay to make eyes, nose, ears and a 'smiley' or a sad face.

- Also try making hair.



• What else can you do to make the face colourful?
2894.

For efficient transport of oxygen to all cells, the body requires______.

Answer»

For efficient transport of oxygen to all cells, the body requires______.


2895.

Tick (√ ) the correct answer: (a) The reproductive part of a plant is the (i) leaf (ii) stem (iii) root (iv) flower (b) The process of fusion of the male and female gametes is called (i) fertilisation (ii) pollination (iii) reproduction (iv) seed formation (c) Mature ovary forms the (i) seed (ii) stamen (iii) pistil (iv) fruit (d) A spore producing plant is (i) rose (ii) bread mould (iii) potato (iv) ginger (e) Bryophyllum can reproduce by its (i) stem (ii) leaves (iii) roots (iv) flower

Answer»

Tick (√ ) the correct answer:


(a) The reproductive part of a plant is the


(i) leaf


(ii) stem


(iii) root


(iv) flower


(b) The process of fusion of the male and female
gametes is called


(i) fertilisation


(ii) pollination


(iii) reproduction


(iv) seed formation


(c) Mature ovary forms the


(i) seed


(ii) stamen


(iii) pistil


(iv) fruit


(d) A spore producing plant is


(i) rose


(ii) bread mould


(iii) potato


(iv) ginger


(e) Bryophyllum can reproduce by its


(i) stem


(ii) leaves


(iii) roots


(iv) flower

2896.

Why is the left ventricular wall of the heart thicker than the right ventricular wall? To accommodate a greater volume of bloodTo expand the thoracic cage during diastoleTo pump blood with greater pressureTo pump blood through a smaller valve

Answer»

Why is the left ventricular wall of the heart thicker than the right ventricular wall?


To accommodate a greater volume of blood

To expand the thoracic cage during diastole

To pump blood with greater pressure

To pump blood through a smaller valve

2897.

show structure of a chromosome

Answer» show structure of a chromosome
2898.

What is the other name of main vein ?

Answer»

What is the other name of main vein ?

2899.

Transpiration is helpful to plants in the _____.

Answer»

Transpiration is helpful to plants in the _____.


2900.

Which T cell plays an important role in limiting the immune system to attack own body tissue(Immune Response)?

Answer» Which T cell plays an important role in limiting the immune system to attack own body tissue(Immune
Response)?