Process of Material Transport

Q.

Absorption of glucose into blood capillaries is an example of facilitated diffusion.

1. False

2. True

Q. Which of the following is the correct sequence of nutrition in humans?

1. Ingestion -> Assimilation -> Digestion-> Absorption
   
2. Ingestion -> Assimilation -> Absorption-> Digestion
3. Ingestion -> Digestion -> Absorption-> Assimilation
4. Ingestion -> Digestion -> Assimilation-> Absorption

Q.

Assimilation is completed in the small intestine

1. True
2. False

Q. Which of the following occur(s) as a result of osmosis?

1. Absorption of fatty acids into lacteals.

2. Absorption of water in the small intestine.

3. Absorption of glucose into blood capillaries.

4. Absorption of water in the large intestine.

Q. Identify the correct representation of permanent teeth present in the lower jaw of humans.

1. Incisors 4, canine 2, premolar 4, molar 6
2. Incisors 4, canine 2, premolar 2, molar 8
3. Incisors 2, canine 2, premolar 4, molar 8
4. Incisors 4, canine 2, premolar 4, molar 4

Q.

Why is transpiration important to plants?

Q. Identify the incorrect pair of animals and their mode of ingestion

1. Caterpillars - Scraping
2. Hummingbirds - Swallowing
3. Buffaloes - Chewing
4. Bees - Sucking

Q. Salivary glands are modified into poison glands in

1. Snakes
2. Lizard
3. Both A and B
4. None of the above

Q.

State whether the following statement is true or false. If false, rewrite the sentence by changing the incorrect word/words.
Heterodont teeth are similar in shape.

1. True
2. False

Q.

what is wisdom tooth

Q. difference between premolars and molars??

Q.

what can we write as the conclusion of the activity of osmosi (raisins)

Q. Which of the following is the correct sequence of nutrition in humans?

1. Ingestion -> Assimilation -> Digestion-> Absorption
   
2. Ingestion -> Assimilation -> Absorption-> Digestion
3. Ingestion -> Digestion -> Absorption-> Assimilation
4. Ingestion -> Digestion -> Assimilation-> Absorption

Q. In snakes, which gland is modified into poison gland?

1. Lingual gland
2. Sublingual gland
3. Maxillary gland
4. Parotid salivary gland

Q.

Give scientific reasons for the following facts:

1) We gargle with saline solution in case of throat infection.

2) The resins swell up in water.

3) The grass in your lawn becomes greener if you add a little fertilizer to it but it dies if you add a lot of it.

4) When we open a perfume bottle in one corner of a room we feel the smell everywhere in the room.

5) Salt and sugars are used for preserving food.

6) Soft skinned grapes may shrink if kept in a very strong sugar solution.

7) Freshwater fish cannot survive in sea water.

8) A closed can of dried seeds bursts open if some water enters it by accident.

9) Bacteria and fungi do not grow in pickles, jams, jellies and squashes.

Q.

Fill in the blanks choosing the appropriate word/idiom from the lesson.

(a) The ___ solved the mysterious crime.

(b) In the examination, I did not know the answer, so I ___

(c) He was dizzy and he ___ into the room.

(d) While arguing with his elders he had ___

(e) The sight of a snake ___

(f) As soon as I ___ of my home, I greet my family.

Q. By which mechanism are amino acids absorbed in the body, facilitated , active, or simple diffusion ??