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851.

Question 11Tasty food is not always nutritious and nutritious food may not always be tasty to eat. Comment with examples.

Answer»

Question 11



Tasty food is not always nutritious and nutritious food may not always be tasty to eat. Comment with examples.



852.

Mention true or false. If false, write the correct statement. 1. Epithelial cells leave space in between.

Answer»

Mention true or false. If false, write the correct statement.

1. Epithelial cells leave space in between.

853.

Question 3What would happen if the plasma membrane ruptures or breaks down?

Answer»

Question 3

What would happen if the plasma membrane ruptures or breaks down?



854.

Question 32 How can we prevent the loss of top soil?

Answer» Question 32
How can we prevent the loss of top soil?
855.

___ were the first form of life to appear on the Earth.

Answer»

___ were the first form of life to appear on the Earth.

856.

Describe the full mechanism involved in ecg in details and the way in which ecg detects each and every changes taking place durin circulation?(in details)

Answer» Describe the full mechanism involved in ecg in details and the way in which ecg detects each and every changes taking place durin circulation?(in details)
857.

What are the major functions of "Asters of centrosome"?

Answer»

What are the major functions of "Asters of centrosome"?

858.

With the help of examples , discuss the significance of vacuoles in unicellular organisms ?

Answer» With the help of examples , discuss the significance of vacuoles in unicellular organisms ?
859.

Mushrooms are an excellent source of

Answer»

Mushrooms are an excellent source of


860.

Which of the following organism causes acne?

Answer»

Which of the following organism causes acne?


861.

Define intercropping. How does it differ with mixed cropping ?

Answer»

Define intercropping. How does it differ with mixed cropping ?

862.

The organisms given below belongs to the class ___

Answer»

The organisms given below belongs to the class ___


863.

A cross breed of Brown Swiss and ‘X’ produces Karan Swiss, whereas a cross breed of ‘X’ and Holstein-Friesian produces ‘P’. Identify the breeds of cows X and P w.r.t. the given information.

Answer»

A cross breed of Brown Swiss and ‘X’ produces Karan Swiss, whereas a cross breed of ‘X’ and Holstein-Friesian produces ‘P’. Identify the breeds of cows X and P w.r.t. the given information.

864.

Some plants are grown to be used as manure. Yet, some are removed from the field. These unwanted plants are called __.

Answer»

Some plants are grown to be used as manure. Yet, some are removed from the field. These unwanted plants are called __.

865.

What do vacuoles contain?

Answer»

What do vacuoles contain?

866.

Where in the respiratory system would you find rings of cartilage?

Answer»

Where in the respiratory system would you find rings of cartilage?



867.

What are te differences between embryo and gamete.

Answer» What are te differences between embryo and gamete.
868.

Which of the following facial bones is unpaired?

Answer»

Which of the following facial bones is unpaired?


869.

‘Crypts of Lieberkühn’ are found in

Answer»

‘Crypts of Lieberkühn’ are found in


870.

What are the advantages and disadvantages of crop rotation ?

Answer» What are the advantages and disadvantages of crop rotation ?
871.

Why can't single cells grow very large? Why are large organisms like human beings multi-cellular? [3 MARKS]

Answer»

Why can't single cells grow very large? Why are large organisms like human beings multi-cellular? [3 MARKS]

872.

Write the difference between blood and lymph.

Answer»

Write the difference between blood and lymph.

873.

Pisces have ___ chambered heart

Answer»

Pisces have ___ chambered heart



874.

Question 18Vectors can be defined as(a) animals carry the infecting agents from sick person to another healthy person(b) microorganisms which cause many diseases(c) infected person(d) diseased plants

Answer»

Question 18

Vectors can be defined as




(a) animals carry the infecting agents from sick person to another healthy person

(b) microorganisms which cause many diseases

(c) infected person

(d) diseased plants



875.

Explain animal tissues and the types of tissue?

Answer»

Explain animal tissues and the types of tissue?

876.

Forced deep breathing during rest for some time is followed by temporary stoppage breathing because of 1)Little CO2 content in blood 2)High CO2 contentin blood 3)High O2 contentin blood 4)Little O2 contentin blood Give proper explaination.

Answer» Forced deep breathing during rest for some time is followed by temporary stoppage breathing because of 1)Little CO2 content in blood 2)High CO2 contentin blood 3)High O2 contentin blood 4)Little O2 contentin blood Give proper explaination.
877.

what is genetic engeneering?

Answer»

what is genetic engeneering?

878.

(a) State one difference between arteries and veins.​(b) Name any two sexually transmitted diseases. What advice is given to prevent them?

Answer» (a) State one difference between arteries and veins.

​(b) Name any two sexually transmitted diseases. What advice is given to prevent them?
879.

Explain how the painting of an iron gate prevents it from rusting.

Answer» Explain how the painting of an iron gate prevents it from rusting.
880.

Which one of the following is an example of the binomial scientific name? (a) Green alga (b) Snow leopard (c) Rana tigrina (d) China-rose

Answer»

Which one of the following is an example of the binomial scientific name?

(a) Green alga (b) Snow leopard

(c) Rana tigrina (d) China-rose

881.

What is hidden reproductive organ this word has been used for Cryptogamae.and if there is hidden reproductive organ then how can naked embryo will be there bcz embryo r those which takes place after the fertilization so if there is hidden reproductive organ then there will be no embryo but it has been written that thallophytes ,the bryophytes and the pteridophytes have naked embryos

Answer» What is hidden reproductive organ this word has been used for Cryptogamae.and if there is hidden reproductive organ then how can naked embryo will be there bcz embryo r those which takes place after the fertilization so if there is hidden reproductive organ then there will be no embryo but it has been written that thallophytes ,the bryophytes and the pteridophytes have naked embryos
882.

The sub-group for plant classification following kingdom is:

Answer»

The sub-group for plant classification following kingdom is:


883.

The reproductive structures of gymnosperms are called

Answer»

The reproductive structures of gymnosperms are called


884.

What is the meaning of 'nucleotide base' ?

Answer» What is the meaning of 'nucleotide base' ?
885.

How does the chick spurs recognise her own mother?

Answer» How does the chick spurs recognise her own mother?
886.

difference between living and non-living things on the bases of movement,nutrition,stimulous,respiration

Answer» difference between living and non-living things on the bases of movement,nutrition,stimulous,respiration
887.

Which of the following is/are initiatives to address Non-Communicable Diseases, Injury & Trauma related issues: Codes:

Answer»

Which of the following is/are initiatives to address Non-Communicable Diseases, Injury & Trauma related issues:

Codes:


888.

Ozone layer depletion is mainly caused due to ___. (CFCs/methane/nitrogen oxides)

Answer»

Ozone layer depletion is mainly caused due to ___.

(CFCs/methane/nitrogen oxides)

889.

Why is cell called a structural and functional unit of life?

Answer»

Why is cell called a structural and functional unit of life?

890.

Why is ATP(adernosine triphoshate) is called energy currency of the cell

Answer»

Why is ATP(adernosine triphoshate) is called energy currency of the cell

891.

The percentage of oxygen in boiled water is more than that in air why

Answer»

The percentage of oxygen in boiled water is more than that in air why

892.

What is the general opinion about the high level of buffer stocks of food grains than the buffer norms?

Answer»

What is the general opinion about the high level of buffer stocks of food grains than the buffer norms?


893.

what is brain ventricle and how how strartified squamous kertinized had basement membrane ,because it is not a epothelium tissues

Answer» what is brain ventricle and how how strartified squamous kertinized had basement membrane ,because it is not a epothelium tissues
894.

Disease-causing microorganisms are known as:

Answer»

Disease-causing microorganisms are known as:


895.

Xanthium, parthenium, cyperinus are examples of ________ .

Answer»

Xanthium, parthenium, cyperinus are examples of ________ .



896.

Stored energy of carbohydrates is released during

Answer»

Stored energy of carbohydrates is released during


897.

Which of the following is an example of a biotic component of an ecosystem?

Answer»

Which of the following is an example of a biotic component of an ecosystem?


898.

Which of the following plants bear naked seeds?

Answer»

Which of the following plants bear naked seeds?


899.

Are there any exceptions in the Cell theory proposed by Schleiden, Schwann and Virchow? If yes, what are those? [3 MARKS]

Answer» Are there any exceptions in the Cell theory proposed by Schleiden, Schwann and Virchow? If yes, what are those? [3 MARKS]
900.

1.Difference between Zygospore and Azygospore with their diagrams.2.Difference between coenocytic and syncitium3.What is thallus ddifferenciation? Which is male and why? Explain in details.

Answer» 1.Difference between Zygospore and Azygospore with their diagrams.
2.Difference between coenocytic and syncitium
3.What is thallus ddifferenciation? Which is male and why? Explain in details.