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6051.

(a) Name the selectable markers in the cloning vector pBR322? Mention the role they play. (b) Why is the coding sequence of an enzyme β−galactosidase a preferred selectable marker in comparison to the ones named above? [3]

Answer» (a) Name the selectable markers in the cloning vector pBR322? Mention the role they play.

(b) Why is the coding sequence of an enzyme βgalactosidase a preferred selectable marker in comparison to the ones named above? [3]
6052.

Scientific name of Java man is:

Answer»

Scientific name of Java man is:


6053.

___organs have the same basic structure and origin.

Answer» ___organs have the same basic structure and origin.
6054.

___ gas is 25 times more potent than carbon dioxide in warming the atmosphere.

Answer» ___ gas is 25 times more potent than carbon dioxide in warming the atmosphere.
6055.

The roots of the onion stops to grow once we cut their tips because:

Answer»

The roots of the onion stops to grow once we cut their tips because:



6056.

Which one is incorrect among the following:

Answer»

Which one is incorrect among the following:

6057.

ntFormation of alanine from diethyl ether.n

Answer» ntFormation of alanine from diethyl ether.n
6058.

Which part is missing in the path of air in the human body?Nose → Trachea → ___ → Bronchioles → Alveoli

Answer»

Which part is missing in the path of air in the human body?


Nose Trachea ___ Bronchioles Alveoli



6059.

A cosmid is a

Answer» A cosmid is a
6060.

what is the meaning of agglutination of chromosome?

Answer» what is the meaning of agglutination of chromosome?
6061.

RNA interference is:

Answer»

RNA interference is:



6062.

Consider the diagram given below. Parts labeled as (a), (b), (c), (d) and (e) respectively indicate

Answer»

Consider the diagram given below. Parts labeled as (a), (b), (c), (d) and (e) respectively indicate



6063.

Match the biological molecules listed under column I with their biological functions listed under column II.Choose the answer which gives correct combination of alphabets of two columns.Biological MoleculeFunctiona. Glycogenp. Hormoneb. Globulinq. Biocatalystc. Steroidsr. Antibodyd. Thrombins. Storage product

Answer»

Match the biological molecules listed under column I with their biological functions listed under column II.

Choose the answer which gives correct combination of alphabets of two columns.

Biological MoleculeFunctiona. Glycogenp. Hormoneb. Globulinq. Biocatalystc. Steroidsr. Antibodyd. Thrombins. Storage product

6064.

Which layer is formed first either middle lamella or primary cell wall?

Answer»

Which layer is formed first either middle lamella or primary cell wall?

6065.

The enzyme that becomes inactive if Leg Haemoglobin is removed from the Leguminous plant is ----

Answer»

The enzyme that becomes inactive if Leg Haemoglobin is removed from the Leguminous plant is ----


6066.

Inner surface of the bronchi and bronchioles is lined by

Answer»

Inner surface of the bronchi and bronchioles is lined by


6067.

Neurons which carry impulses to muscles or glands from the brain are

Answer»

Neurons which carry impulses to muscles or glands from the brain are


6068.

Why cant we see image in a white sheet though it reflects light

Answer» Why cant we see image in a white sheet though it reflects light
6069.

What is the structural and functional difference between desmosome and adhering junctions?

Answer» What is the structural and functional difference between desmosome and adhering junctions?
6070.

Regarding the assertion and reason, select the right option:Assertion [A]: Vaccination exploits the fact that the immune system’s response to a second exposure to pathogens is much faster and more vigorous than it is the first time around.Reason [R]: Vaccines mimic live pathogens.

Answer»

Regarding the assertion and reason, select the right option:


Assertion [A]: Vaccination exploits the fact that the immune system’s response to a second exposure to pathogens is much faster and more vigorous than it is the first time around.


Reason [R]: Vaccines mimic live pathogens.



6071.

____________ are required for the formation of one molecule of glucose during the Calvin pathway.

Answer»

____________ are required for the formation of one molecule of glucose during the Calvin pathway.

6072.

Select the correct match between genus, characters and class among the following.

Answer»

Select the correct match between genus, characters and class among the following.

6073.

Is strawberry runners or stolon?

Answer» Is strawberry runners or stolon?
6074.

The neutrophil content is massively increased in a patient suffering from _____

Answer»

The neutrophil content is massively increased in a patient suffering from _____



6075.

First photosynthetic organisms to appear on earth were A bacteria B cyanobacteria

Answer» First photosynthetic organisms to appear on earth were
A bacteria
B cyanobacteria
6076.

In flowering plants the substances that would need to be transported are__________.

Answer»

In flowering plants the substances that would need to be transported are__________.


6077.

For critical study of secondary growth in plants, which one of the following pairs is suitable?

Answer»

For critical study of secondary growth in plants, which one of the following pairs is suitable?


6078.

Does polyploidy lead to polyteny?

Answer» Does polyploidy lead to polyteny?
6079.

what is central apparatus?

Answer» what is central apparatus?
6080.

What is Lignin?

Answer»

What is Lignin?

6081.

Write down the lifespans of the following organisms.a) Elephantb) Rose c) Dogd) Banana treee) Cowf) Horseg) Fruit Flyh) Rice planti) Banyan tree

Answer» Write down the lifespans of the following organisms.

a) Elephant

b) Rose

c) Dog

d) Banana tree

e) Cow

f) Horse

g) Fruit Fly

h) Rice plant

i) Banyan tree
6082.

Where is mass of Atom is given

Answer» Where is mass of Atom is given
6083.

Describe the role played by protein pumps during active transport in plants.

Answer»

Describe the role played by protein pumps during active transport in plants.

6084.

Out of A = T, G = C pairing, bases of DNA may exist in alternate valency state due to

Answer»

Out of A = T, G = C pairing, bases of DNA may exist in alternate valency state due to


6085.

Which of these options is correct about the leaves at each node in Alstonia?

Answer»

Which of these options is correct about the leaves at each node in Alstonia?


6086.

Which of the following is the correct sequence of parts as they occur in the human alimentary canal ?(a) Mouth → Stomach → Small intestine → Oesophagus → Large intestine(b) Mouth → Oesophagus → Stomach → Large intestine→ Small intestine(c) Mouth → Stomach → Oesophagus → Small intestine → Large intestine(d) Mouth → Oesophagus → Stomach → Small intestine → Large intestine

Answer» Which of the following is the correct sequence of parts as they occur in the human alimentary canal ?



(a) Mouth Stomach Small intestine Oesophagus Large intestine

(b) Mouth Oesophagus Stomach Large intestine Small intestine

(c) Mouth Stomach Oesophagus Small intestine Large intestine

(d) Mouth Oesophagus Stomach Small intestine Large intestine
6087.

Why does allele frequency change during gene flow?

Answer» Why does allele frequency change during gene flow?
6088.

Development of active immunity is related to

Answer» Development of active immunity is related to
6089.

Identify a, b and c stages of meiosis in the following figure

Answer»

Identify a, b and c stages of meiosis in the following figure


6090.

The process of reduction division of __ tissue is termed microsporogenesis.

Answer»

The process of reduction division of __ tissue is termed microsporogenesis.

6091.

Identify the correct sequence of vertebrae as we proceed down the spine from the skull.

Answer»

Identify the correct sequence of vertebrae as we proceed down the spine from the skull.



6092.

How does growth in an organism occur- by growth in the size of cells or by growth in the number of cells?

Answer» How does growth in an organism occur- by growth in the size of cells or by growth in the number of cells?
6093.

Regarding the Assertion and Reason, choose the correct option:Assertion [A]: The Peripheral Nervous System (PNS) constitutes all the nerves and ganglia that lie outside the Central Nervous System (CNS) and connects the extremities of the body to the CNS.Reason [R]: The CNS is responsible for all the information processing and control.

Answer»

Regarding the Assertion and Reason, choose the correct option:


Assertion [A]: The Peripheral Nervous System (PNS) constitutes all the nerves and ganglia that lie outside the Central Nervous System (CNS) and connects the extremities of the body to the CNS.


Reason [R]: The CNS is responsible for all the information processing and control.



6094.

(a) How water is transported to various parts of the plant. Is the water movement active, or is it still passive? (b) Since the water has to be moved up a stem against gravity, what provides the energy for this?

Answer» (a) How water is transported to various parts of the plant. Is the water movement active, or is it still passive?



(b) Since the water has to be moved up a stem against gravity, what provides the energy for this?
6095.

A baby boy aged two years is admitted to play school and passes through a dental check-up. The dentist observed that the boy had twenty teeth. Which teeth were absent?Option 1) Incisors Option 2) Canines Option 3) Pre-molars Option 4) Molars

Answer» A baby boy aged two years is admitted to play school and passes through a dental check-up. The dentist observed that the boy had twenty teeth. Which teeth were absent?

Option 1) Incisors Option 2) Canines Option 3) Pre-molars Option 4) Molars
6096.

48. Which of the following is formed when di peptide is treated with alcohol in presence of mineral acid 1)amino ester salt 2)amino acid 3)amino acid and salt 4)amino salt

Answer» 48. Which of the following is formed when di peptide is treated with alcohol in presence of mineral acid 1)amino ester salt 2)amino acid 3)amino acid and salt 4)amino salt
6097.

Which of the following are the FALSE? I. Reproduction takes place in a juvenile stage of life cycle. II. Eyes of potato tuber are condensed internode. III. During embryogenesis, zygote undergoes cell division and cell differentiation. IV. Sexual reproduction is a complex and elaborate process.

Answer»

Which of the following are the FALSE?

I. Reproduction takes place in a juvenile stage of life cycle.

II. Eyes of potato tuber are condensed internode.

III. During embryogenesis, zygote undergoes cell division and cell differentiation.

IV. Sexual reproduction is a complex and elaborate process.


6098.

Find out from internet what is golden rice.

Answer»

Find
out from internet what is golden rice.

6099.

29. a weak acid having dissociation constant 10^{-6} is being titrated with aqueous NaOH solution .The pH of solution at one third equivalence point of the acid will be

Answer» 29. a weak acid having dissociation constant 10^{-6} is being titrated with aqueous NaOH solution .The pH of solution at one third equivalence point of the acid will be
6100.

Is osteoblast ,osteocyte,osteoclast, is only present in spongy bone? Or it is present in both compact and spongy bone ?

Answer» Is osteoblast ,osteocyte,osteoclast, is only present in spongy bone? Or it is present in both compact and spongy bone ?