Deck 1: Biology and Physiology: Glands, Digestion, Photosynthesis, and Respiration

Question 1

Which gland is not associated with human alimentary canal?

A)salivary glands
B)adrenal gland
C)liver
D)pancreas

Answer 1

adrenal gland

Question 2

In humans, bile juice is secreted by

A)pancreas
B)small intestine
C)esophagus
D)liver

Answer 2

liver

Question 3

An enzyme which can only act in acidic medium is

A)pepsin
B)trypsin
C)rennin
D)amylase

Answer 3

pepsin

Question 4

The part of digestive system where no digestion occurs

A)duodenum
B)esophagus
C)stomach
D)mouth

Question 5

Which of the following animals has no need for a gall bladder?

A)horse
B)lion
C)dog
D)human

Question 6

About how much saliva does a person produce each day?

A)100 ml
B)250 ml
C)500 ml
D)1500 ml

Question 7

Saliva has the enzyme

A)pepsin
B)ptyalin
C)trypsin
D)rennin

Question 8

Curdling of milk in the stomach is due to the action of

A)pepsin
B)rennin
C)HCL
D)rennin.

Question 9

Pepsinogen is secreted by

A)gastric glands
B)intestinal glands
C)chief cells
D)parietal cells

Question 10

Pancreas has

A)only endocrine cells
B)only one type of cell, the same functioning both in an exocrine and endocrine fashion
C)two types of cells-exocrine and endocrine
D)only exocrine cells

Question 11

Grana refers to

A)glycolysis of glucose
B)by-product of photosynthesis
C)stacks of thylakoids
D)stacks of quantasomes

Question 12

A specific function of light energy in the process of photosynthesis is to

A)activate chlorophyll
B)split water
C)synthesis glucose
D)reduce CO₂

Question 13

ATP formation during photosynthesis is known as

A)phosphorylation
B)photophosphorylation
C)oxidative phosphorylation
D)substrate level phosphorylation

Question 14

Dark reaction in photosynthesis is called so because

A)it does not require light energy
B)cannot occur during daytime
C)occurs more rapidly at night
D)it can also occur in darkness

Question 15

Which of the following is connected with transport of water in plants?

A)phloem
B)xylem
C)epidermis
D)cambium

Question 16

The ultimate cause for movement of water against gravity in a tree is

A)osmosis
B)imbibitions
C)transpiration
D)photosynthesis

Question 17

Which of the following is not an example of a selectively permeable membrane?

A)plasma lemma
B)cell Wall
C)mitochondrial membrane
D)chloroplast membrane

Question 18

Which of the following is responsible for guttation?

A)root pressure
B)transpiration
C)photosynthesis
D)osmosis

Question 19

Phenyl mercuric acetate

A)reduces transpiration rate
B)reduces photosynthesis
C)kills the plant
D)reduce respiration

Question 20

Which of the following has no blood but respires?

A)earthworm
B)hydra
C)cockroach
D)fish

Question 21

Which type of respiratory organs are present in spiders and scorpions?

A)book lungs
B)gill books
C)gills
D)lungs

Question 22

At high altitude, RBCs of human blood will

A)increase in number
B)decrease in number
C)decrease in size
D)increase in size

Question 23

Vocal cords occur in

A)pharynx
B)glottis
C)bronchial tube
D)larynx

Question 24

Which one of the following structures closes the respiratory passage during ingestion of food?

A)larynx
B)epiglottis
C)hard palate
D)soft palate