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51.

What is the best stage of cell division for studing chromosome under microscope?

Answer» What is the best stage of cell division for studing chromosome under microscope?
52.

(a) Why are transgenic animals being produced?

Answer» (a) Why are transgenic animals being produced?
53.

The probability of the F1 dihybrid producing gametes with two recessive genes is:

Answer»

The probability of the F1 dihybrid producing gametes with two recessive genes is:



54.

What is the main reason for insulin is not screting more to digest glucose in our body.

Answer»

What is the main reason for insulin is not screting more to digest glucose in our body.

55.

A nail is inserted in the trunk of a tree at a height of 1 metre from the ground level. After 3 years the nail will(a) move downwards(b) move upwards(c) remain in the same position(d) move sideways

Answer» A nail is inserted in the trunk of a tree at a height of 1 metre from the ground level. After 3 years the nail will



(a) move downwards

(b) move upwards

(c) remain in the same position

(d) move sideways
56.

formula of ketoses and aldoses

Answer» formula of ketoses and aldoses
57.

ntWhen the value of entropy is greater then the ability for useful work is :n nt(1) maximumn nt(2) minimumn nt(3) mediumn nt(4) none of thesen

Answer» ntWhen the value of entropy is greater then the ability for useful work is :n nt(1) maximumn nt(2) minimumn nt(3) mediumn nt(4) none of thesen
58.

Does physiological arousal precede or follow an emotional experience? Explain.

Answer»

Does
physiological arousal precede or follow an emotional experience?
Explain.

59.

Identify the powerhouse of the cell.

Answer»

Identify the powerhouse of the cell.

60.

(a) What are the two main components of our environment?(b) What will happen to a plant if its xylem is removed?(c) Name two tissues that provide control and coordination in multicellular animals.

Answer» (a) What are the two main components of our environment?

(b) What will happen to a plant if its xylem is removed?

(c) Name two tissues that provide control and coordination in multicellular animals.
61.

What is median longitudinal axis and principal axis of human skeleton?

Answer» What is median longitudinal axis and principal axis of human skeleton?
62.

Schwann cells are associated with _______ .

Answer»

Schwann cells are associated with _______ .

63.

80% of photosynthesis activity is due to

Answer»

80% of photosynthesis activity is due to


64.

Modern man differs from apes in:

Answer»

Modern man differs from apes in:


65.

Excretory organ of hemi chordates is:

Answer»

Excretory organ of hemi chordates is:


66.

Virus envelop is known as

Answer»

Virus envelop is known as


67.

Explain it in detail the kidneys function regulations.

Answer» Explain it in detail the kidneys function regulations.
68.

Oxidative phosphorylation occurs during

Answer» Oxidative phosphorylation occurs during
69.

Label the parts from A -F in the given diagram

Answer» Label the parts from A -F in the given diagram



70.

Red worms that are used in the process of vermicomposting do not have any teeth. Name the structure that helps them in grinding their food.

Answer» Red worms that are used in the process of vermicomposting do not have any teeth. Name the structure that helps them in grinding their food.
71.

596:270::7946:?

Answer» 596:270::7946:?
72.

Why there is more energy flow in DFC as compared to GFC in terrestrial ecosystem?

Answer» Why there is more energy flow in DFC as compared to GFC in terrestrial ecosystem?
73.

Most intensively studied gibberellin is -------------__

Answer» Most intensively studied gibberellin is -------------
__
74.

In human body which element is most abundant by weight and by number respectively? a) carbon, hydrogen b) oxygen, hydrogen c) oxygen, carbon d) carbon, nitrogen

Answer»

In human body which element is most abundant by weight and by number respectively?

a) carbon, hydrogen

b) oxygen, hydrogen

c) oxygen, carbon

d) carbon, nitrogen

75.

the most stable carbocation is 1.\} cyclopropene carbocation 2.\}1,2,3,tripyridinecyclopropene carbocation 3.\}tribenzene carbocation 4.\}tricyclopropane carbocatio

Answer» the most stable carbocation is 1.\} cyclopropene carbocation 2.\}1,2,3,tripyridinecyclopropene carbocation 3.\}tribenzene carbocation 4.\}tricyclopropane carbocatio
76.

The main reason for the virulent nature of the S strain of Streptococcus pneumoniae is the presence of:

Answer»

The main reason for the virulent nature of the S strain of Streptococcus pneumoniae is the presence of:



77.

Which of the following are steroids?

Answer»

Which of the following are steroids?



78.

Desert grasses often roll their leaves due to the presence of

Answer» Desert grasses often roll their leaves due to the presence of
79.

Question 2What is pasturage and how is it related to honey production?

Answer»

Question 2

What is pasturage and how is it related to honey production?



80.

The thoracic and right lymphatic ducts return lymph to the ______.

Answer»

The thoracic and right lymphatic ducts return lymph to the ______.




81.

Identify the correct sequence of electron transfer in z -scheme of light reaction

Answer»

Identify the correct sequence of electron transfer in z -scheme of light reaction

82.

what is nuclear isomer?

Answer» what is nuclear isomer?
83.

H3PO3 undergoes disproportionation to form an oxoaci

Answer» H3PO3 undergoes disproportionation to form an oxoaci
84.

Write how the following seeds are dispersed.(a)Seeds with wings(b)Small and light seeds(c)Seeds with spines/hooks

Answer»

Write how the following seeds are dispersed.

(a)Seeds with wings

(b)Small and light seeds

(c)Seeds with spines/hooks



85.

Why phosphorous acid is more stronger than phosphoric acid?

Answer» Why phosphorous acid is more stronger than phosphoric acid?
86.

Mention three differences between auxins and cytokinins.

Answer» Mention three differences between auxins and cytokinins.
87.

Which of the following epithelia covers the inner linings of trachea, large bronchi, and helps to remove mucus is ciliated columnar or pseudo stratified

Answer» Which of the following epithelia covers the inner linings of trachea, large bronchi, and helps to remove mucus is ciliated columnar or pseudo stratified
88.

Aposematism can be best described as

Answer» Aposematism can be best described as
89.

Carbon monoxide is a pollutant because it

Answer»

Carbon monoxide is a pollutant because it



90.

An aquatic fern which is an excellent biofertiliser is ___.

Answer» An aquatic fern which is an excellent biofertiliser is ___.
91.

Which breeding method uses a chemical to strip the cell wall of plant cells of two sexually incompatible species?

Answer»

Which breeding method uses a chemical to strip the cell wall of plant cells of two sexually incompatible species?

92.

Which one of the following is dead but work efficiently?

Answer»

Which one of the following is dead but work efficiently?


93.

What is blind spot of our eye? What happens if light ray converge on this point. Do we able to see the object from where it is coming?

Answer» What is blind spot of our eye? What happens if light ray converge on this point. Do we able to see the object from where it is coming?
94.

Total lung capacity is equal to:

Answer»

Total lung capacity is equal to:


95.

Which of these depict differences between arteries and veins?

Answer»

Which of these depict differences between arteries and veins?


96.

This aquatic system has the highest productivity. It is

Answer» This aquatic system has the highest productivity. It is
97.

Fill in the blanks with the right word from the brackets.(a) The process of digestion starts from the ............. . (stomach / mouth)(b) Eyelids have ............. muscles (voluntary / involuntary)(c) ............ is not a function of the muscular system. (production of blood cells / Performing movements)(d) Muscles of the heart are .............. (ordinary muscles / cardiac muscles)(e) Pushing forward the food that has been chewed is the function of the ............. . (stomach / oesophagus).

Answer» Fill in the blanks with the right word from the brackets.

(a) The process of digestion starts from the ............. . (stomach / mouth)

(b) Eyelids have ............. muscles (voluntary / involuntary)

(c) ............ is not a function of the muscular system. (production of blood cells / Performing movements)

(d) Muscles of the heart are .............. (ordinary muscles / cardiac muscles)

(e) Pushing forward the food that has been chewed is the function of the ............. . (stomach / oesophagus).
98.

Pick out the possessive pronoun for the blank. The book that I absentmindedly put in my bag is theirs.

Answer»

Pick out the possessive pronoun for the blank.

The book that I absentmindedly put in my bag is theirs.


99.

Howdid Hershey and Chase differentiate between DNA and protein in theirexperiment while proving that DNA is the genetic material?

Answer»

How
did Hershey and Chase differentiate between DNA and protein in their
experiment while proving that DNA is the genetic material?

100.

Is ‘nutrition’ a necessity for an organism? Explain.

Answer» Is ‘nutrition’ a necessity for an organism? Explain.