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901.

The coiled tubule connecting the testes in males to the vas deferens is known as:

Answer»

The coiled tubule connecting the testes in males to the vas deferens is known as:


902.

Which are the correct sequence of the components of a reflex arc?

Answer»

Which are the correct sequence of the components of a reflex arc?


903.

Discuss the major steps involved in process of nutrition in human beings. For ( 5 mks)

Answer»

Discuss the major steps involved in process of nutrition in human beings. For ( 5 mks)

904.

Define vestigial organs. Write names of some vestigial organs in human body and write the names of those animals in whom same organs are functional

Answer» Define vestigial organs. Write names of some vestigial organs in human body and write the names of those animals in whom same organs are functional
905.

What is haemophilia? How is it caused?

Answer» What is haemophilia? How is it caused?
906.

Question 35Name the plant hormones responsible for the following(a) Elongation of cells(b) Growth of stem(c) Promotion of cell division(d) Falling of senescent leaves

Answer»

Question 35

Name the plant hormones responsible for the following



(a) Elongation of cells

(b) Growth of stem

(c) Promotion of cell division

(d) Falling of senescent leaves



907.

Identify the chondrichthyes fishes in the figure below.

Answer»

Identify the chondrichthyes fishes in the figure below.


908.

explain the dgestive system with diagram

Answer» explain the dgestive system with diagram
909.

Why is it important for physicians to ‘wake up’ to sleep disorders? How will it help?

Answer»

Why is it important for physicians to ‘wake up’ to sleep disorders? How will it help?

910.

The movement of a plant part in response to the force of attraction exerted by the earth is called: (a) hydrotropism (b) geotropism (c) chemotropism (d) phototropism

Answer»

The movement of a plant part in response to the force of attraction exerted by the earth is called:

(a) hydrotropism

(b) geotropism

(c) chemotropism

(d) phototropism

911.

After running a marathon, a runner starts panting and as a result, his chest moves forward and backward. What causes this chest movement?

Answer» After running a marathon, a runner starts panting and as a result, his chest moves forward and backward. What causes this chest movement?
912.

During transpiration, water leaves the cells of the plant in the form of ___ .

Answer»

During transpiration, water leaves the cells of the plant in the form of ___ .


913.

As the impulse reaches the end of an axon, a chemical called ___ is released.

Answer»

As the impulse reaches the end of an axon, a chemical called ___ is released.

914.

Question 11Choose the odd one out from below with respect to reproduction.(a) Eggs of hen.(b) Seeds of plants.(c) Buds of potato.(d) Roots of mango tree.

Answer»

Question 11



Choose the odd one out from below with respect to reproduction.

(a) Eggs of hen.

(b) Seeds of plants.

(c) Buds of potato.

(d) Roots of mango tree.



915.

Hormone that promotes growth of lateral buds and has negative effect on apical dominance is:

Answer»

Hormone that promotes growth of lateral buds and has negative effect on apical dominance is:



916.

If a patient is put on dialysis, he is most likely suffering from a severe ailment of the : (a) circulatory system (b) respiratory system (c) excretory system (d) digestive system

Answer»

If a patient is put on dialysis, he is most likely suffering from a severe ailment of the :
(a) circulatory system
(b) respiratory system
(c) excretory system
(d) digestive system

917.

What are the two parts of neuron arising from cyton?

Answer»

What are the two parts of neuron arising from cyton?


918.

हिंदी के एक प्रसिद्ध कवि सुमित्रानंदन पंत ने संध्या का वर्णन इस प्रकार किया है- संध्या का झुटपुट- बाँसों का झुरमुट- है चहक रहीं चिड़ियाँ टी-वी-टी--टुट्-टुट् ऊपर दी गई कविता और सर्वेश्वरदयाल जी की कविता में आपको क्या मुख्य अंतर लगा? लिखिए।

Answer»

हिंदी
के
एक
प्रसिद्ध
कवि
सुमित्रानंदन
पंत
ने
संध्या
का
वर्णन
इस
प्रकार
किया
है
-


संध्या
का
झुटपुट
-


बाँसों
का
झुरमुट
-


है
चहक
रहीं
चिड़ियाँ


टी-वी-टी--टुट्-टुट्


ऊपर
दी
गई
कविता
और
सर्वेश्वरदयाल
जी
की
कविता
में
आपको
क्या
मुख्य
अंतर
लगा
?
लिखिए।

919.

Find the correct sequence of the organisation that is observed in organisms.

Answer»

Find the correct sequence of the organisation that is observed in organisms.


920.

How will you prove that chlorophyll is required in photosynthesis to take place?

Answer» How will you prove that chlorophyll is required in photosynthesis to take place?
921.

Name the organs of breathing in fish.

Answer»

Name the organs of breathing in fish.

922.

Which are functions of lymph?

Answer»

Which are functions of lymph?


923.

Why do insectivorous plants trap insects?

Answer»

Why do insectivorous plants trap insects?

924.

What is the role of seminal vesicles, bulbourethral and prostate gland? [3 MARKS]

Answer»

What is the role of seminal vesicles, bulbourethral and prostate gland? [3 MARKS]

925.

Gregor Mendel's first law of genetics states " Of a pair of contrasted characters, only one can be represent in a gamete by its internal 'factor'. (a) Give the modern name for this 'factor'. (b) State where these factors are found in gametes.

Answer»

Gregor Mendel's first law of genetics states " Of a pair of contrasted characters, only one can be represent in a gamete by its internal 'factor'.

(a) Give the modern name for this 'factor'.

(b) State where these factors are found in gametes.

926.

The pressure which the cell wall exerts on cell protoplast is known as ___

Answer»

The pressure which the cell wall exerts on cell protoplast is known as ___


927.

Match the following terms to the correct definition.

Answer»

Match the following terms to the correct definition.


928.

What is the use of erection of penis? How can penis will be erected?

Answer» What is the use of erection of penis? How can penis will be erected?
929.

Explain the term root pressure.

Answer»

Explain the term root pressure.


930.

Oxygen in lungs ultimately reaches to_______.

Answer»

Oxygen in lungs ultimately reaches to_______.



931.

The formation of larger lymph vessels from lymph cappilaries combination give rise to ___

Answer»

The formation of larger lymph vessels from lymph cappilaries combination give rise to ___


932.

A , B and C are three common STDs. A and C are caused by bacteria whereas B is caused by a virus D. The virus D reduces the immunity of the infected person to such a low level that the person can die of even very mild diseases. (a) What could A and C be? (b) What is B? (c) Name the virus D? (d) How can A, B and C be caused? (e) Out of A, B and C, which one does not have a definite cure as yet?

Answer»

A , B and C are three common STDs. A and C are caused by bacteria whereas B is caused by a virus D. The virus D reduces the immunity of the infected person to such a low level that the person can die of even very mild diseases.
(a) What could A and C be?
(b) What is B?
(c) Name the virus D?
(d) How can A, B and C be caused?
(e) Out of A, B and C, which one does not have a definite cure as yet?

933.

What are the average values of blood pressure in a normal adult human? ​​​​​​

Answer» What are the average values of blood pressure in a normal adult human?
​​​​​​
934.

Define Law Of segregation and independent assortment

Answer» Define Law Of segregation and independent assortment
935.

In postulating the theory of evolution by natural selection, Darwin was greatly influenced by (1)Mutation theory of Hugo de Vries (2)Lamarck's theory of acquired characters (3)Malthus idea of population control (4)Environmental factors

Answer» In postulating the theory of evolution by natural selection, Darwin was greatly influenced by (1)Mutation theory of Hugo de Vries (2)Lamarck's theory of acquired characters (3)Malthus idea of population control (4)Environmental factors
936.

Answer the following questionsMention one provision on environment given in our constitution.

Answer»

Answer the following questions



Mention one provision on environment given in our constitution.

937.

What is the difference betweenn ovarian follicles and grafiaan folicles ?

Answer» What is the difference betweenn ovarian follicles and grafiaan folicles ?
938.

The mitocytes, meiocytes and meiospores present in the anther respectively are

Answer»

The mitocytes, meiocytes and meiospores present in the anther respectively are


939.

What happens to the body at the stage of puberty?

Answer»

What happens to the body at the stage of puberty?



940.

Which oilseed is considered to be the best substitute for animal protein?

Answer»

Which oilseed is considered to be the best substitute for animal protein?


941.

what is the meaning of perforated cathode ?

Answer» what is the meaning of perforated cathode ?
942.

What is the major source of sulphur dioxide?

Answer»


What is the major source of sulphur dioxide?



943.

What will be the n/c ratio of all stages in Meiosis 1 and 2??

Answer» What will be the n/c ratio of all stages in Meiosis 1 and 2??
944.

Are viruses prokaryotic or eukaryotic?

Answer» Are viruses prokaryotic or eukaryotic?
945.

1.Initially,the heart of foetus is one chambered,then becomes two chambered,then three chambered and finally four chambered.Explain this2.What happens to the duration of systole and diastole( whether increases or decreases) during1)Trachycardia2)Bradycardia

Answer» 1.Initially,the heart of foetus is one chambered,then becomes two chambered,then three chambered and finally four chambered.Explain this
2.What happens to the duration of systole and diastole( whether increases or decreases) during
1)Trachycardia
2)Bradycardia
946.

The form of energy used in respiration is__.

Answer»

The form of energy used in respiration is__.

947.

15. Solubility of pbcl2 is 0.064g/100ml,at25c temperature ' find solubility product?

Answer» 15. Solubility of pbcl2 is 0.064g/100ml,at25c temperature ' find solubility product?
948.

State the cause of dispersion of light by a glass prism. How did Newton, using 2 identical glass prisms, show that white light is made of 7 colours. Draw a ray diagram to show the path of narrow beam of white light, through a combination of two identical prisms arranged together in inverted positions with respect to each other, when it is allowed to fall obliquely on one of the faces of the first prism of the combination?

Answer» State the cause of dispersion of light by a glass prism. How did Newton, using 2 identical glass prisms, show that white light is made of 7 colours. Draw a ray diagram to show the path of narrow beam of white light, through a combination of two identical prisms arranged together in inverted positions with respect to each other, when it is allowed to fall obliquely on one of the faces of the first prism of the combination?
949.

What are the two factors stomata depends upon to open and close guard and subsidiary cells alternately?

Answer»

What are the two factors stomata depends upon to open and close guard and subsidiary cells alternately?


950.

Bile is secreted by:

Answer»

Bile is secreted by: