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51.

Question 37If a potted plant is covered with a glass jar, water vapour appear on the wall of glass jar. Explain why?

Answer»

Question 37

If a potted plant is covered with a glass jar, water vapour appear on the wall of glass jar. Explain why?



52.

If one or more sets of floral structure missing the flower is called ________ flower.

Answer»

If one or more sets of floral structure missing the flower is called ________ flower.


53.

The length of the compound microscope is 16cm. The magnifying power for relaxed eye is 25cm. If the focal length of eye lens is 3.5cm,then the object dis†an ce from objective lens will be (1) 2cm (2)25/7cm (3)7cm (4)1.5cm

Answer» The length of the compound microscope is 16cm. The magnifying power for relaxed eye is 25cm. If the focal length of eye lens is 3.5cm,then the object dis†an ce from objective lens will be (1) 2cm (2)25/7cm (3)7cm (4)1.5cm
54.

What can be achieved / can be prevented ?A. Drinking boiled and filtered water.B. Avoiding smoking and alcoholism.C. Regular balanced diet and exercise.D. Proper checking of blood before blood donation.

Answer»

What can be achieved / can be prevented ?

A. Drinking boiled and filtered water.

B. Avoiding smoking and alcoholism.

C. Regular balanced diet and exercise.

D. Proper checking of blood before blood donation.

55.

During day time, air over the land is _________ the air over water bodies.

Answer»

During day time, air over the land is _________ the air over water bodies.



56.

Which of the following are good sources of vitamin A?

Answer»

Which of the following are good sources of vitamin A?



57.

Name any two cell which lack nucleus

Answer» Name any two cell which lack nucleus
58.

Which are the lines in the poem that impressed you the most and why?

Answer»

Which are the lines in the poem that impressed you the most and why?

59.

Identify the labelled parts (I), (II) and (III) depicted in the image.

Answer»

Identify the labelled parts (I), (II) and (III) depicted in the image.


60.

Seeds sown very deep in the soil fail to germinate because they (a) cannot exert enough force to push the soil upward. (b) do not get enough sunlight. (c) get too much water. (d) do not get enough oxygen.

Answer»

Seeds sown very deep in the soil fail to germinate because they
(a) cannot exert enough force to push the soil upward.
(b) do not get enough sunlight.
(c) get too much water.
(d) do not get enough oxygen.

61.

length of subnormal at any point of the parabola y2=4a

Answer» length of subnormal at any point of the parabola y2=4a
62.

What must this cell do before it can carry out mitosis?

Answer»

What must this cell do before it can carry out mitosis?


63.

Explain how geometrical isomerism is shown by C_6H_5N=NC_6H_{

Answer» Explain how geometrical isomerism is shown by C_6H_5N=NC_6H_{
64.

How do cardiac muscles resemble both striated and smooth muscle fibers

Answer»

How do cardiac muscles resemble both striated and smooth muscle fibers

65.

How is the structure of red blood cells compatible with their function?

Answer» How is the structure of red blood cells compatible with their function?
66.

Which one of the following is cultivated by transplanting seedlings?

Answer»

Which one of the following is cultivated by transplanting seedlings?


67.

How do annelids differ from arthropods?

Answer» How do annelids differ from arthropods?
68.

Give two examples each of the following and their usefulness, if any, in our body. (i) Monosaccharides (ii) Disaccharides (iii) Polysaccharides

Answer»

Give two examples each of the following and their usefulness, if any, in our body.

(i) Monosaccharides

(ii) Disaccharides

(iii) Polysaccharides

69.

Question 4Differentiate between parenchyma, collenchyma, and sclerenchyma, on the basis of their cell wall.

Answer»

Question 4

Differentiate between parenchyma, collenchyma, and sclerenchyma, on the basis of their cell wall.



70.

Which of the following is NOT a part of human chromosome?

Answer»

Which of the following is NOT a part of human chromosome?


71.

Question 41Differentiate between voluntary and involuntary muscles. Give one example of each type.

Answer» Question 41

Differentiate between voluntary and involuntary muscles. Give one example of each type.
72.

3. Dehydrohalogenation by strong base is slowest in

Answer» 3. Dehydrohalogenation by strong base is slowest in
73.

The pivot joint is an example of the__i__. It is present between the__ii__ The information in which alternative completes the given statements?

Answer»

The pivot joint is an example of the__i__. It is present between the__ii__

The information in which alternative completes the given statements?


74.

Explain structure and functions of different types of muscles found in our body.

Answer» Explain structure and functions of different types of muscles found in our body.
75.

List five characteristics features of fishes ?

Answer» List five characteristics features of fishes ?
76.

35. How n. factor of FeC2O4 in acidic medium is 3 ?

Answer» 35. How n. factor of FeC2O4 in acidic medium is 3 ?
77.

What are antagonistic muscles? Give one example

Answer» What are antagonistic muscles? Give one example
78.

Name the causal organism of ringworm and elephantitis.

Answer»

Name the causal organism of ringworm and elephantitis.

79.

Identify the location(s) of smooth muscles among the given options.

Answer»

Identify the location(s) of smooth muscles among the given options.


80.

Question 36 (g) Fill in the blanks (g) ___are called as amphibians of the plant kingdom.

Answer» Question 36 (g)
Fill in the blanks

(g) ___are called as amphibians of the plant kingdom.
81.

What is the basic unit of classification ?

Answer» What is the basic unit of classification ?
82.

What is the probability of obtaining pure homozygous individuals, if a cross is made between AaBbCcDd x aaBBCCdd individuals?

Answer»

What is the probability of obtaining pure homozygous individuals, if a cross is made between AaBbCcDd x aaBBCCdd individuals?

83.

What are some adaptations of wind pollinated flowers?​

Answer» What are some adaptations of wind pollinated flowers?​
84.

Valine, Leucine, Argnine, Glycine, Glutamic acid, Lysine, Alanine. If X is the number of amino acid which have the isoelectronic point less than 7, then the value of (X+5) is

Answer» Valine, Leucine, Argnine, Glycine, Glutamic acid, Lysine, Alanine. If X is the number of amino acid which have the isoelectronic point less than 7, then the value of (X+5) is


85.

Define biotic factors. Name some biotic factors which damage the food material during storage.

Answer» Define biotic factors. Name some biotic factors which damage the food material during storage.
86.

Give the most appropriate title for the given set of images on the basis of their feeding habits.

Answer»

Give the most appropriate title for the given set of images on the basis of their feeding habits.

87.

What is the function of rough ER?

Answer»

What is the function of rough ER?

88.

The major functions of cell membrane are

Answer»

The major functions of cell membrane are

89.

what is the difference between simple tubular and simple alveolar epithelium ?

Answer» what is the difference between simple tubular and simple alveolar epithelium ?
90.

Tuberculosis is a bacterial disease. The bacterium that causes tuberculosis targets which organ of the body?

Answer»

Tuberculosis is a bacterial disease. The bacterium that causes tuberculosis targets which organ of the body?


91.

Incomplete divided ventricle can be seen in the heart of

Answer»

Incomplete divided ventricle can be seen in the heart of


92.

Which postulate from the cell theory indicates that all living organisms have a common ancestor?

Answer» Which postulate from the cell theory indicates that all living organisms have a common ancestor?




93.

Which part of the plants matures to form fruits ?

Answer»

Which part of the plants matures to form fruits ?



94.

157. What are the 5 basic differences between mitosis and meoisis

Answer» 157. What are the 5 basic differences between mitosis and meoisis
95.

What does this line mean " teeth are ectomesodermal".

Answer» What does this line mean " teeth are ectomesodermal".
96.

Which tissue is responsible for the flexibility in the plants?

Answer»

Which tissue is responsible for the flexibility in the plants?
97.

What are insectivorous plants? Give two examples. [2 MARKS]

Answer»

What are insectivorous plants? Give two examples. [2 MARKS]

98.

Name the disease shown in the images below.

Answer»

Name the disease shown in the images below.

99.

Which component of xylem conducts water and minerals?

Answer»

Which component of xylem conducts water and minerals?


100.

Put the words given in the box into the following groups (a) nature _______________ _______________ (b) food _______________ _______________ (c) colours _______________ _______________ wind turnip purple pineapple sky green grass white yellow rice

Answer» Put the words given in the box into the following groups























(a) nature _______________ _______________
(b) food _______________ _______________
(c) colours _______________ _______________




















wind turnip purple pineapple sky
green grass white yellow rice