Ingestion Methods in Animals

Q. Why are humans unable to digest cellulose?

1. Because humans are mostly non-vegetarians.
2. Because of the acidic medium (HCl) in the stomach.
3. Because humans don't eat plants.
4. Because humans lack appropriate enzymes to break down cellulose.

Q. What are ruminants? Give examples. [2 MARKS]

Q.

Give a brief description about this things -

Autotrophic, Chlorophyll, Heterotrophs , Host, Insectivorous, Nutrient, Nutrition, Parasite, Photosynthesis, Saprotrophs

Q.

Question 05(ii)

Fill in the blanks.
Deficiency of ___ causes a disease known as beriberi.

Q. Question 17
Match the organisms given in Column I with their mode of nutrition given in Column II.

Q. Two Examples of Autotrophic and heterotrophic nutrition.

Q.

You must have noticed that the cows continuously chew something even if there is no fodder in front of them. What is the reason behind it?

1. It is a response they give whenever they see an animal of a different species

2. It is a redundant response which has no function

3. It is not food; they do this to heal the blisters in their mouth

4. It is the swallowed food before which comes back to the mouth for proper chewing

Q.

An amoeba ingests food by

1. Cilia

2. Tentacles

3. Pseudopodia

4. Feeding tube

Q.

How do hydra take in food?

1. Swallowing

2. Filtering

3. Biting

4. Licking

Q. Distinguish between a parasite and a saprophyte. Give examples for each. [3 MARKS]

Q.

Is Vitamin-E a micronutrient?

Q.

Different organisms have different modes of taking food because they have different diets. Is this true or false?

1. True

2. False

Q.

Can green plants be heterotrophic? Explain any two types of heterotrophs. [3 MARKS]

Q.

Identify the organisms and mention their classification based on their mode of nutrition. [5 MARKS]

Q.

What you mean by partial heterotrphs

Q.

Which of these are voracious eaters?

1. Both statements 1 and 2 are correct and statement 2 is not the explanation of statement 1.

2. Statement 1 is correct and statement 2 is incorrect.

3. Both statements 1 and 2 are incorrect.

4. Both statements 1 and 2 are correct and statement 2 is the correct explanation of statement 1.

Q.

Choose the correct option for the source/s of vitamin B1.

1. Fish

2. Egg

3. Fruit

4. Roti

Q. Bablu, a 12 yrs old boy, was very fussy about food. His grandmother used to tell him to eat fruits like oranges, lemon, guava, papaya etc., but Bablu never liked to eat fruits. For past few days he was feeling weak and tired and often used to have bleeding gums. Can you tell what was Bablu suffering from and why?

1. Anemia, Iron deficiency
2. Malnutrition, Food deficiency
3. Scurvy, Vitamin C deficiency
4. Fatigue, Energy deficiency

Q.

Consider the following characteristics of herbivore digestive systems and habits.

1. Cows have 4 chambered stomachs and chew cud.

2. Rabbits eat their droppings called cecotropes.

3. Pandas have short digestive system and a small presence of bacteria in the gut.

4. Elephants have a large cecum (the part connecting the two intestines) containing fermenting bacteria.

Which of the above characteristics help food to remain longer in the digestive tract?

1. 1, 2, 3, 4

2. None of the Above

3. 1, 2, 4

4. 1, 3, 4

Q. Name the disease with following symptoms:
1. Weakness
2. Pain in the muscles
3. Loss of sensation
4. Paralysis
5. Weak heart

1. Scurvy
2. Pellagra
3. Beri Beri
4. Rickets

Q.

Choose the correct option 1.Manioc is the staple food of

1. Ganga basin

2. Africa

3. Amazon

Q.

Partially digested food in the rumen of grazing animals is called __.

Q.

what is holozoic nutrition, saprotrophic nutrition, parasitic nutrrition, mutualistic nutrition

Q.

How does a hummingbird take in food

Q.

Statement: Grass eating animals have a four-stomach system.

Reason: They developed this to digest fats.

1. Statement is wrong but reason is correct.

2. Both are wrong.

3. Both are correct.

4. Statement is correct but reason is wrong.

Q. Earthworms engulf food through small openings called .

1. proboscis
2. prostomium
3. pseudopodia

Q. Choose the correct option for the source/s of vitamin B1.

1. Fish
2. Egg
3. Fruit
4. Roti

Q. Rhizobium is a good example
(a) insectivorous plant
(b) symbiosis
(c) parasitic plant
(d) none of these

Q.

Different animals have different ways to take in food because their diets are different. Say true or false.

1. True

2. False

Q. This section contains 1 Assertion-Reason type question, which has 4 choices (a), (b), (c) and (d) out of which ONLY ONE is correct.
इस खण्ड में 1 कथन-कारण प्रकार का प्रश्न है, जिसमें 4 विकल्प (a), (b), (c) तथा (d) दिये गये हैं, जिनमें से केवल एक सही है।

A : The organisms that take in nutrients from dead and decaying matter are called parasites.

A : जीव जो मृत एवं विघटित जैविक पदार्थों से पोषक तत्व प्राप्त करते हैं, परजीवी कहलाते हैं।

R : Plants like Cuscuta are parasites and hence do not perform photosynthesis.

R : पादप जैसे कि कसकुटा परजीवी होते हैं अतः यह प्रकाशसंश्लेषण नहीं करते हैं।

1. Both (A) and (R) are true and (R) is the correct explanation of (A)
   
   (A) तथा (R) दोनों सही हैं तथा (R), (A) का सही स्पष्टीकरण है
2. Both (A) and (R) are true but (R) is not the correct explanation of (A)
   
   (A) तथा (R) दोनों सही हैं लेकिन (R), (A) का सही स्पष्टीकरण नहीं है
3. (A) is true but (R) is false
   
   (A) सही है लेकिन (R) गलत है
4. (A) is false but (R) is true
   
   (A) गलत है लेकिन (R) सही है