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2651.

Unique features of family solanaceae,fabaceae,liliaceae and brassicaceae

Answer» Unique features of family solanaceae,fabaceae,liliaceae and brassicaceae
2652.

The microbe responsible for the deadly disease of Black Death was a________.

Answer»

The microbe responsible for the deadly disease of Black Death was a________.


2653.

Question 9 Give a suitable word for each of the following statements. (a) The site which responds to a hormone. (b) Name of a gland which transports secretions through ducts. (c) Chemicals which control changes at adolescence stage. (d) It marks the beginning of the reproductive period.

Answer» Question 9
Give a suitable word for each of the following statements.
(a) The site which responds to a hormone.
(b) Name of a gland which transports secretions through ducts.

(c) Chemicals which control changes at adolescence stage.
(d) It marks the beginning of the reproductive period.
2654.

The following statements about AIDS are correct, except:

Answer»

The following statements about AIDS are correct, except:


2655.

Microbes can survive in all kinds of environment ranging from ice cold to desert hot to marshy lands but then how is food kept in refrigerators preserved?

Answer» Microbes can survive in all kinds of environment ranging from ice cold to desert hot to marshy lands but then how is food kept in refrigerators preserved?
2656.

A cell is able to withstand very dilute external media without bursting. In such media, which of the following things could happen?

Answer» A cell is able to withstand very dilute external media without bursting. In such media, which of the following things could happen?
2657.

In which of these organ systems do the males and females have different organs?(a) nervous system(b) muscular system(c) excretory system(d) reproductive system

Answer» In which of these organ systems do the males and females have different organs?

(a) nervous system

(b) muscular system

(c) excretory system

(d) reproductive system
2658.

A large number of people in India, including children, do not get enough food to eat. For them, a balanced diet with all nutrients is a distant dream.On the other hand, you may have seen people attending parties filling up their plates with more food than they can eat and wasting the food. Do you think this is justified? What message would you like to give to such people?

Answer» A large number of people in India, including children, do not get enough food to eat. For them, a balanced diet with all nutrients is a distant dream.

On the other hand, you may have seen people attending parties filling up their plates with more food than they can eat and wasting the food. Do you think this is justified? What message would you like to give to such people?
2659.

The practice of rearing fishes for commercial purposes is popularly known as:

Answer»

The practice of rearing fishes for commercial purposes is popularly known as:


2660.

Prepration of alcohols by hydroboration and oxidation?

Answer» Prepration of alcohols by hydroboration and oxidation?
2661.

11. Cell Hg|Hg2Cl2|Cl-(0.1M)||Cl-(0.01M)|PtCl2 ke liye E^° =1.10V what is the E 1)1.1591V 2)1.1591V 3)1.0409V 4)1.0409V

Answer» 11. Cell Hg|Hg2Cl2|Cl-(0.1M)||Cl-(0.01M)|PtCl2 ke liye E^° =1.10V what is the E 1)1.1591V 2)1.1591V 3)1.0409V 4)1.0409V
2662.

The given image depicts some harvest festivals. Which states do these festivals belong to?

Answer»

The given image depicts some harvest festivals. Which states do these festivals belong to?



2663.

Define probiotics.Also state its importance.

Answer»

Define probiotics.Also state its importance.

2664.

Tobacco and Petunia belong to family

Answer»

Tobacco and Petunia belong to family


2665.

Write few characteristic features of Kindom Plantae.

Answer» Write few characteristic features of Kindom Plantae.
2666.

Identify the food items that look spoilt.

Answer»

Identify the food items that look spoilt.

2667.

Boojho wants to know why caterpillars need to shed their skin when they grow bigger but we humans do not.

Answer» Boojho wants to know why caterpillars need to shed their skin when they grow bigger but we humans do not.
2668.

Difference between glycocalyx of eukaryotic cell and prokaryotic cell

Answer» Difference between glycocalyx of eukaryotic cell and prokaryotic cell
2669.

A spore can be described as :

Answer»

A spore can be described as :

2670.

Which of the following statements are correct regarding probiotics? i. Probiotics restore bacteria present in the intestine. ii. Probiotics cause different diseases. iii. Probiotics improve our immunity. iv. Probiotics can be taken along with food.

Answer»

Which of the following statements are correct regarding probiotics?

i. Probiotics restore bacteria present in the intestine.

ii. Probiotics cause different diseases.

iii. Probiotics improve our immunity.

iv. Probiotics can be taken along with food.


2671.

is the cell is full covered with cell memberane

Answer» is the cell is full covered with cell memberane
2672.

Question 1What is the criterion for classification of organisms as belonging to kingdom Monera or Protista?

Answer»

Question 1

What is the criterion for classification of organisms as belonging to kingdom Monera or Protista?



2673.

In which of these animals does the young that hatches out of the egg look very different from the adult animal?(a) frog(b) butterfly​(c) mosquito(d) all of these​​

Answer» In which of these animals does the young that hatches out of the egg look very different from the adult animal?

(a) frog

(b) butterfly

​(c) mosquito

(d) all of these

​​
2674.

Name of bacterium responsible for fixing atmospheric nitrogen in groundnut plant? [1 MARK]

Answer»

Name of bacterium responsible for fixing atmospheric nitrogen in groundnut plant? [1 MARK]

2675.

What kind of child was Sanatombi?

Answer» What kind of child was Sanatombi?
2676.

The chemicals that are generally used to check the growth of microorganisms are called __.

Answer»

The chemicals that are generally used to check the growth of microorganisms are called __.

2677.

Answer in one or two words: Hibiscus belongs to which group?

Answer»

Answer in one or two words:

Hibiscus belongs to which group?

2678.

Explain the working and structure of human heart

Answer» Explain the working and structure of human heart
2679.

Why color varies in hair of different people and why all the hair colors turn into white at oldage?

Answer»

Why color varies in hair of different people and why all the hair colors turn into white at oldage?

2680.

Budding is a method of asexual reproduction observed in ________ .

Answer»

Budding is a method of asexual reproduction observed in ________ .


2681.

What do you mean by Ecosystem?

Answer» What do you mean by Ecosystem?
2682.

Which period saw a halfway reduction in world indigo production?

Answer»

Which period saw a halfway reduction in world indigo production?


2683.

तुम्हारी भेंट-मुलाकात अक्सर कुछ ऐसे लोगों से भी होती होगी या हो सकती है जिनकी आँखें नहीं होतीं, जो बोल और सुन नहीं सकते। कुछ वैसे भी लोग होंगे या हो सकते हैं जो हाथ-पैर या अपने किसी अन्य अंग से सामान्य मनुष्य की तरह काम नहीं कर सकते। अब तुम बताओ कि– (क) यदि तुम्हें किसी गूँगे व्यक्ति से कुछ समझना हो तो क्या करोगे? (ख) यदि तुम्हें किसी बहरे व्यक्ति को कुछ बताना हो तो क्या करोगे? (ग) यदि तुम्हें किसी अंधे व्यक्ति को कुछ बताना हो तो क्या करोगे? (घ) किसी ऐसे व्यक्ति के साथ खेलने का अवसर मिल जाए जो चल फिर नहीं सकता हो तो क्या करोगे?

Answer»

तुम्हारी भेंट-मुलाकात अक्सर कुछ ऐसे लोगों से भी होती होगी या हो सकती है जिनकी आँखें नहीं होतीं, जो बोल और सुन नहीं सकते। कुछ वैसे भी लोग होंगे या हो सकते हैं जो हाथ-पैर या अपने किसी अन्य अंग से सामान्य मनुष्य की तरह काम नहीं कर सकते। अब तुम बताओ कि–



(क) यदि तुम्हें किसी गूँगे व्यक्ति से कुछ समझना हो तो क्या करोगे?



(ख) यदि तुम्हें किसी बहरे व्यक्ति को कुछ बताना हो तो क्या करोगे?



(ग) यदि तुम्हें किसी अंधे व्यक्ति को कुछ बताना हो तो क्या करोगे?



(घ) किसी ऐसे व्यक्ति के साथ खेलने का अवसर मिल जाए जो चल फिर नहीं सकता हो तो क्या करोगे?

2684.

Baldness and hypertrichosis are genetic disorders explain the significance by defining its cause

Answer»

Baldness and hypertrichosis are genetic disorders explain the significance by defining its cause

2685.

What is the meaning of Lichens ?

Answer»

What is the meaning of Lichens ?

2686.

A person X having curly hair marries a woman Y having straight hair. What can be predicted about the hair type of first child born to this couple?

Answer»

A person X having curly hair marries a woman Y having straight hair. What can be predicted about the hair type of first child born to this couple?


2687.

The third trophic level is occupied by the

Answer»

The third trophic level is occupied by the


2688.

Which of the following cell gives rise to the male gametes in flowering plants?

Answer»

Which of the following cell gives rise to the male gametes in flowering plants?


2689.

Name any two organelles present in a cell.

Answer» Name any two organelles present in a cell.
2690.

Mention the major uses of fossil fuels.

Answer»

Mention the major uses of fossil fuels.

2691.

In internal fertilization occurring in humans, the motile germ cell is ______ and the non motile germ cell is ________.

Answer»

In internal fertilization occurring in humans, the motile germ cell is ______ and the non motile germ cell is ________.

2692.

How does sexual reproduction occur?

Answer» How does sexual reproduction occur?
2693.

Why some organism's have two nucleus

Answer»

Why some organism's have two nucleus

2694.

A microscope is focussed on a coin lying at the bottom of a beaker. The microscope is now raised by 1cm. To what depth should water be poured into the beaker so that the coin is again in focus

Answer» A microscope is focussed on a coin lying at the bottom of a beaker. The microscope is now raised by 1cm. To what depth should water be poured into the beaker so that the coin is again in focus
2695.

What is haemoglobin? What happens when haemoglobin levels decrease?

Answer» What is haemoglobin? What happens when haemoglobin levels decrease?
2696.

Explain the reproduction in animals.

Answer»

Explain the reproduction in animals.

2697.

Which of the following is an abiotic factor in an aquatic ecosystem?

Answer»

Which of the following is an abiotic factor in an aquatic ecosystem?


2698.

Which one of the following is a correct food chain?

Answer»

Which one of the following is a correct food chain?



2699.

If the voltage of the X-ray tube is doubled then the intensity of X-ray will be :-(1)halved(2)remains constant(3)doubled(4)quadrupled

Answer» If the voltage of the X-ray tube is doubled then the intensity of X-ray will be :-
(1)halved
(2)remains constant
(3)doubled
(4)quadrupled
2700.

Explain the working of human heart

Answer» Explain the working of human heart