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2251.

Identify the largest blood vessel through which the blood is pumped from the heart to all the body parts.

Answer»

Identify the largest blood vessel through which the blood is pumped from the heart to all the body parts.

2252.

What are cartilage forming cells known as? What is the difference between chondroblasts and chondrocytes?

Answer» What are cartilage forming cells known as? What is the difference between chondroblasts and chondrocytes?
2253.

Why is blood needed by all the parts of a body?

Answer» Why is blood needed by all the parts of a body?
2254.

Describe in brief the process by which plants obtain their nutrition.

Answer»

Describe in brief the process by which plants obtain their nutrition.
2255.

What do you mean by food web?

Answer» What do you mean by food web?
2256.

Briefly explain the process of digestion in the small intestine.

Answer» Briefly explain the process of digestion in the small intestine.
2257.

White blood cells are said to be 'soldiers of the body'. Why are they given this name?

Answer» White blood cells are said to be 'soldiers of the body'. Why are they given this name?
2258.

What is the result of the litmus test with cooking oil?

Answer»

What is the result of the litmus test with cooking oil?

2259.

Question 10 (b) Tick (√) the correct answer: (b) The process of fusion of the male and the female gametes is called (i) fertilisation (ii) pollination (iii) reproduction (iv) seed formation

Answer» Question 10 (b)
Tick (√) the correct answer:
(b) The process of fusion of the male and the female gametes is called
(i) fertilisation
(ii) pollination
(iii) reproduction
(iv) seed formation
2260.

What helps them to breathe ? (a) A fish (b) A snake (c) A crane (d) An earthworm (e) Man (f) A banyan tree (g) A caterpillar

Answer» What helps them to breathe ?



















(a) A fish (b) A snake
(c) A crane (d) An earthworm
(e) Man (f) A banyan tree
(g) A caterpillar
2261.

Explain the types of nutrition.

Answer» Explain the types of nutrition.
2262.

What is Endosymbiosis?

Answer» What is Endosymbiosis?
2263.

Question 28Complete the following cycle given as Fig. 2.4 by filling the blanks (a), (b), (c) (d)

Answer» Question 28

Complete the following cycle given as Fig. 2.4 by filling the blanks (a), (b), (c) (d)




2264.

Spot the reflexive/emphatic pronoun in the sentence. Jiya cut her hair herself in some odd fashion.

Answer»

Spot the reflexive/emphatic pronoun in the sentence.

Jiya cut her hair herself in some odd fashion.


2265.

What is an Endocrime syste

Answer» What is an Endocrime syste
2266.

What is a tissue? Give two examples of tissues.

Answer» What is a tissue? Give two examples of tissues.
2267.

explain in details about construction of 1st recombinant dna by herbert boyer and cohe

Answer» explain in details about construction of 1st recombinant dna by herbert boyer and cohe
2268.

Where do (HCL) hydrochloric acid produced

Answer»

Where do (HCL) hydrochloric acid produced

2269.

The Earth has an average temperature of 33°C which makes life possible on Earth. This is due to:

Answer»

The Earth has an average temperature of 33°C which makes life possible on Earth. This is due to:


2270.

Explain the following:​(a) Lime water turns milky on passing carbon dioxide gas into it.​Explain the following:​(b) Bubbles are produced when acetic acid is added to a solution of sodium hydrogen carbonate.​

Answer» Explain the following:​



(a) Lime water turns milky on passing carbon dioxide gas into it.​

Explain the following:​



(b) Bubbles are produced when acetic acid is added to a solution of sodium hydrogen carbonate.​
2271.

Pick the correct set of difference between plant and animal cells from the following table Animal cellsPlant cellsi. Animal cells have large single vacuolePlant cells have many small vacuolesii. Animal cells do not have plastidsPlant cells have plastids including chloroplastiii. Animal cells do not have cell wallPlant cells have cell wall outside the plasma membraneiv. Animal cells are green in colorPlant cells are not coloredv. Lysosomes are always presentLysosomes are rare

Answer»

Pick the correct set of difference between plant and animal cells from the following table
Animal cellsPlant cellsi. Animal cells have large single vacuolePlant cells have many small vacuolesii. Animal cells do not have plastidsPlant cells have plastids including chloroplastiii. Animal cells do not have cell wallPlant cells have cell wall outside the plasma membraneiv. Animal cells are green in colorPlant cells are not coloredv. Lysosomes are always presentLysosomes are rare


2272.

Identify the process

Answer»

Identify the process


2273.

Question 12Label the figure of the digestive system.

Answer»

Question 12

Label the figure of the digestive system.





2274.

Question 3Which among the following produce seeds?(a) Thallophyta(b) Bryophyta(c) Pteridophyta(d) Gymnosperms

Answer»

Question 3

Which among the following produce seeds?






(a) Thallophyta

(b) Bryophyta

(c) Pteridophyta

(d) Gymnosperms



2275.

Which metals accumulated in Cyprinus carpio fish of the Edulabad water reservoir? What was its effect on the fish? What does bioaccumulation lead to?

Answer»

Which metals accumulated in Cyprinus carpio fish of the Edulabad water reservoir? What was its effect on the fish? What does bioaccumulation lead to?



2276.

What is the role of haemoglobin in our bodies?

Answer» What is the role of haemoglobin in our bodies?
2277.

An ecosystem includes:

Answer»

An ecosystem includes:


2278.

Fill in the blanks. (a) In mammals, the ………… is divided into four parts. (b) The heart ………… continuously. (c) The vessels carrying blood from the heart to the different parts of the body are called ………… . (d) The vessels carrying blood from the parts of the body to the heart are called ………… .

Answer»

Fill in the blanks.



(a) In mammals, the ………… is divided into four parts.



(b) The heart ………… continuously.



(c) The vessels carrying blood from the heart to the different parts of the body are called ………… .



(d) The vessels carrying blood from the parts of the body to the heart are called ………… .

2279.

What happens to the flowers after fertilization? [3 MARKS]

Answer»

What happens to the flowers after fertilization? [3 MARKS]

2280.

Which of the following is obtained from poaching of animals?

Answer» Which of the following is obtained from poaching of animals?
2281.

What is the mode of nutrition of organisms belonging to kingdom Fungi?

Answer»

What is the mode of nutrition of organisms belonging to kingdom Fungi?



2282.

__________ increases the surface area for absorption in intestines:

Answer»

__________ increases the surface area for absorption in intestines:

2283.

Difference between vitamin K1 and K2?

Answer» Difference between vitamin K1 and K2?
2284.

Which of the following is an allergen?

Answer»

Which of the following is an allergen?


2285.

what is useful\ln ess of asrtophysics

Answer» what is useful\ln ess of asrtophysics
2286.

thirty percent of the bases in a sample of DNA extracted from eukaryotic cell is adenine. what % of cytosine is present in DNA

Answer» thirty percent of the bases in a sample of DNA extracted from eukaryotic cell is adenine. what % of cytosine is present in DNA
2287.

Which of the following are artificial methods of vegetative propagation? You may choose more than one answer.

Answer»

Which of the following are artificial methods of vegetative propagation? You may choose more than one answer.


2288.

Write short notes on- (a) Tuberculosis; and (b) Polio.

Answer» Write short notes on- (a) Tuberculosis; and (b) Polio.
2289.

Question 136 (i) Designing a Healthy Diet When you design your healthy diet, you want to make sure that you meet the dietary requirements to help you grow into a healthy adult. As you plan your menu, follow the following guidelines. Calculate your ideal weight as per your height from the table given.

Answer»

Question 136 (i)

Designing a Healthy Diet
When you design your healthy diet, you want to make sure that you meet the dietary requirements to help you grow into a healthy adult. As you plan your menu, follow the following guidelines.
Calculate your ideal weight as per your height from the table given.

2290.

Why does food need to be digested?

Answer» Why does food need to be digested?
2291.

Some organisms store wastes in some of their body parts. True or false?

Answer» Some organisms store wastes in some of their body parts. True or false?
2292.

Which joint is present in the hip region?

Answer»

Which joint is present in the hip region?


2293.

The elastic and flexible organ in the human excretory system is __________.

Answer»

The elastic and flexible organ in the human excretory system is __________.



2294.

The basic functional difference between the of brain and spinal cord is ________________.

Answer»

The basic functional difference between the of brain and spinal cord is ________________.


2295.

Question 04(v)Indicate whether the following statements are True (T) or False (F).Egg laid after fertilization is made up of a single cell. ( )

Answer»

Question 04(v)

Indicate whether the following statements are True (T) or False (F).

Egg laid after fertilization is made up of a single cell. ( )



2296.

Pimples appear in those adolescents who do not keep their skin clean. Do you agree? Give reasons.

Answer» Pimples appear in those adolescents who do not keep their skin clean. Do you agree? Give reasons.
2297.

The orange and yellow areas shown in the Bay of Bengal represent the regions of very low pressure, the bluish and white areas are regions of high pressure. With regard to Bengaluru, in which direction will the wind flow?

Answer»

The orange and yellow areas shown in the Bay of Bengal represent the regions of very low pressure, the bluish and white areas are regions of high pressure.

With regard to Bengaluru, in which direction will the wind flow?


2298.

Explain fick's principle of cardiac output.

Answer» Explain fick's principle of cardiac output.
2299.

what is coris cycle

Answer» what is coris cycle
2300.

During inhalation, diaphragm moves ___.

Answer»

During inhalation, diaphragm moves ___.