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301.

particle is executing SHM with time period TStarting from mean position, time taken by it to complete 5/8 oscilations, is.

Answer» particle is executing SHM with time period TStarting from mean position, time taken by it to complete 5/8 oscilations, is.
302.

does precipitate is formed only in double displacrement reasction

Answer» does precipitate is formed only in double displacrement reasction
303.

Question 1What do we get from cereals, pulses, fruits and vegetables?

Answer»

Question 1

What do we get from cereals, pulses, fruits and vegetables?




304.

'जबकि इस नियामत से ज़िंदगी को खुशियों के इन्द्रधनुषी रंगों से हरा-भरा जा सकता है।' तुम्हारी नज़र में इसका क्या अर्थ हो सकता है?

Answer»

'जबकि इस नियामत से ज़िंदगी को खुशियों के इन्द्रधनुषी रंगों से हरा-भरा जा सकता है।' तुम्हारी नज़र में इसका क्या अर्थ हो सकता है?

305.

It is not advisable to sleep under trees as

Answer»

It is not advisable to sleep under trees as


306.

76. A plant virus is found to consist of uniform symmetry particles of 150 angstroms in diameter and 5000 angstroms long. The specific volume of the virus is 0.75 centimetre cubic per gram . If virus is considered to be a single particle. Then prove that it's molecular weight is 70900000.

Answer» 76. A plant virus is found to consist of uniform symmetry particles of 150 angstroms in diameter and 5000 angstroms long. The specific volume of the virus is 0.75 centimetre cubic per gram . If virus is considered to be a single particle. Then prove that it's molecular weight is 70900000.
307.

What are signs of disease ?

Answer»

What are signs of disease ?

308.

Which of these is/are true regarding atmosphere?

Answer»

Which of these is/are true regarding atmosphere?


309.

Diagrammatically show the difference between three types of muscle fibres.?

Answer» Diagrammatically show the difference between three types of muscle fibres.?
310.

Identify the correct statement.

Answer»

Identify the correct statement.


311.

Mammary glands are modified:

Answer»

Mammary glands are modified:


312.

Give me some points of structure organisation of a cell in easy language. (GIVE 8 POINTS)

Answer» Give me some points of structure organisation of a cell in easy language. (GIVE 8 POINTS)



313.

Which of the following is correctly matched?

Answer»

Which of the following is correctly matched?


314.

Mention some adaptation of fishes for the aquatic environment

Answer» Mention some adaptation of fishes for the aquatic environment
315.

Question 1Why are we normally advised to take bland and nourishing food when we are sick?

Answer»

Question 1

Why are we normally advised to take bland and nourishing food when we are sick?



316.

The sensation of sound persists in our brain for about

Answer»

The sensation of sound persists in our brain for about


317.

Define cork. Are the cells of cork living? How does the cork act as a protective tissue? [3 MARKS]

Answer» Define cork. Are the cells of cork living? How does the cork act as a protective tissue? [3 MARKS]
318.

Question 10Choose the function of the pancreatic juice from the following.(a) trypsin digests proteins and lipase carbohydrates(b) trypsin digests emulsified fats and lipase proteins(c) trypsin and lipase digest fats(d) trypsin digests proteins and lipase emulsified fats

Answer»

Question 10

Choose the function of the pancreatic juice from the following.



(a) trypsin digests proteins and lipase carbohydrates

(b) trypsin digests emulsified fats and lipase proteins

(c) trypsin and lipase digest fats

(d) trypsin digests proteins and lipase emulsified fats



319.

Which of the following pairs is not correctly matched?

Answer»

Which of the following pairs is not correctly matched?


320.

Bamboo trees (species of evergreen coniferous trees) growing in a forest belong to which trophic level?

Answer»

Bamboo trees (species of evergreen coniferous trees) growing in a forest belong to which trophic level?


321.

28. The Volume of oxygen required to produce enough CO which can reduce 4gm of Fe2O3 completely at NTP 1 100ml. 2 500ml 3 680ml 4 840ml

Answer» 28. The Volume of oxygen required to produce enough CO which can reduce 4gm of Fe2O3 completely at NTP 1 100ml. 2 500ml 3 680ml 4 840ml
322.

Which tissue is responsible for the increase in the girth of the stem?

Answer»

Which tissue is responsible for the increase in the girth of the stem?



323.

Give one word for the following : A toxic substance effective against insects.

Answer»

Give one word for the following : A toxic substance effective against insects.

324.

What is A, B, C and D in the given diagram?

Answer»

What is A, B, C and D in the given diagram?


325.

What is the composition of gastric juice? Mention their secretary cells.

Answer» What is the composition of gastric juice? Mention their secretary cells.
326.

What is the purpose of forming ridges and grooves on the skin of our fingers?

Answer»

What is the purpose of forming ridges and grooves on the skin of our fingers?


327.

Cultivation of flowering plants on a commercial basis is called:

Answer»

Cultivation of flowering plants on a commercial basis is called:


328.

What is epidermis?

Answer» What is epidermis?
329.

__________ tissues are found on the surface of roots, stems and leaves.

Answer»

__________ tissues are found on the surface of roots, stems and leaves.


330.

The prokaryotic genetic system has:

Answer»

The prokaryotic genetic system has:



331.

What are the differences between pseudocoelom and true coelom?

Answer» What are the differences between pseudocoelom and true coelom?
332.

what is the meaning of 'symmetry of nature' in physics?

Answer» what is the meaning of 'symmetry of nature' in physics?
333.

Find the odd one out.

Answer»

Find the odd one out.


334.

What is Monera?

Answer»

What is Monera?

335.

Explain the morphological and anatomical evidences with example.

Answer»

Explain the morphological and anatomical evidences with example.

336.

Name three types of simple tissues of plants.

Answer»

Name three types of simple tissues of plants.

337.

Differentiate between Instinct and Conditioning

Answer» Differentiate between Instinct and Conditioning
338.

Give two examples of Monera.

Answer»

Give two examples of Monera.

339.

Question 9 After fertilization, the resulting cell which gives rise to a new individual is the (a) embryo (b) foetus (c) ovum (d) zygote

Answer» Question 9
After fertilization, the resulting cell which gives rise to a new individual is the

(a) embryo
(b) foetus
(c) ovum
(d) zygote
340.

Methylated spirit is used to dissolve _______ .

Answer»

Methylated spirit is used to dissolve _______ .


341.

Fill in the blanks,All cells contain jellylike matrix called ……………. surrounded by ……………. . In plant cells, the outermost covering is ……………. . Within the cell there are various ……………. to carry out specific functions. ……………. is most important amongst them as it controls all the activities of the cell. Inside it ……………. network is present containing ……………. which holds the genetic information. Mitochondria produce ……………. molecules. Osmotic pressure and turgidity is maintained by ……………. , while ……………. can be compared with a turbine of the cell.

Answer»

Fill in the blanks,



All cells contain jellylike matrix called ……………. surrounded by ……………. . In plant cells, the outermost covering is ……………. . Within the cell there are various ……………. to carry out specific functions. ……………. is most important amongst them as it controls all the activities of the cell. Inside it ……………. network is present containing ……………. which holds the genetic information. Mitochondria produce ……………. molecules. Osmotic pressure and turgidity is maintained by ……………. , while ……………. can be compared with a turbine of the cell.

342.

Crossing between two different species of the same genus is called ___ hybridisation.

Answer»

Crossing between two different species of the same genus is called ___ hybridisation.

343.

Where does lipids get digested

Answer» Where does lipids get digested
344.

Which of the following do not have chlorophyll?

Answer»

Which of the following do not have chlorophyll?


345.

Identify the teeth in the image and write a few details about them.

Answer» Identify the teeth in the image and write a few details about them.


346.

RNA interference which is employed in making tobacco plant resistant to Meloidegyne incognita is essentially involved in preventing the process of

Answer»

RNA interference which is employed in making tobacco plant resistant to Meloidegyne incognita is essentially involved in preventing the process of


347.

How are alveoli designed to maximize the exchange of gases?

Answer» How are alveoli designed to maximize the exchange of gases?
348.

Body builders should consume food rich in ____________.

Answer»

Body builders should consume food rich in ____________.



349.

When mitochondria was an independent individual, it belonged to the kingdom ___.

Answer»

When mitochondria was an independent individual, it belonged to the kingdom ___.

350.

Write a short note on voluntary muscles.

Answer»

Write a short note on voluntary muscles.