Nutrition in Other Organisms

Q.

Are humans holozoic?

Q. Identify the following:

(i) Mode of nutrition
(ii) Role of roots called haustoria

from the yellow coloured plant shown in the image.

1. (i) Parasitic; (ii) To absorb oxygen from host.
2. (i) Autotrophic; (ii) To absorb water and food from host plants.
3. (i) Parasitic; (ii) To absorb water and food from host plants.
4. (i) Autotrophic; (ii) To exchange gases and nutrients.

Q. Which of the following is/are the characteristic feature(s) of cuscuta?

1. Absence of leaves
2. Insectivorous
3. Presence of sucking roots
4. Presence of flat and wide leaves

Q.

Which of the following mammal doesn’t have four-chambered stomach which functions as storage and fermentation vats?

1. antelopes

2. buffaloes

3. deer

4. dolphins

Q. The nature of digestive tract in different vertebrates vary based on their ______ .

1. lifestyle
2. feeding habits
3. body structure
4. habitat

Q. <!--td {border: 1px solid #cccccc;}br {mso-data-placement:same-cell;}--> SECTION - I

1) What is parasitic nutrition? Write briefly about it.
2) Draw a flow chart of Respiratory passage of Humans.
3) What will happen if pulmonary veins are tied with a thread?

Q. Which triplet codon does not have a tRNA associated with it?

1. UUA
2. UUU
3. AUU
4. UAA
5. GUU

Q. The nature of digestive tract in different vertebrates vary based on their .

1. lifestyle
2. feeding habits
3. body structure
4. habitat

Q. The stomach of starfishes is ...............................

1. Internal
2. Reversible
3. Protrusible
4. Bag-like