Question

.Which of the following is not a digestive enzyme contained in the pancreatic juice? I. Lipase II. Hydrochloric acid III. Mucus iv. Trypsin *
iand ii
I and iv
II and iii
I and iii
2.The enzymes pepsin and trypsin are secreted respectively by *
stomach and pancreas
salivary gland and stomach
liver and pancreas
liver and salivary gland
3.Which of the following are energy foods? *
Carbohydrates and fats
Proteins and mineral salts
Vitamins and minerals
Water and roughage
4.Roots of the plants absorb water from the soil through the process of.. *
diffusion
transpiration
osmosis
none of these
5.The site of photosynthesis in the cells of a leaf is *
chloroplasts
mitochondria
cytoplasm
protoplasm
6.In amoeba, food is digested in the. *
food vacuole
mitochondria
pseudopodia
chloroplast
7.Which of the following events in the mouth cavity will be affected if salivary amylase is lacking in the saliva. *
starch breaking down into sugars
proteins breaking down into amino acids
absorption of vitamins
none of these
8.Which region of the alimentary canal absorbs the digested food. *
stomach
small intestine
large intestine
liver
9.The contraction and expansion movement of the walls of the food pipe is called *
translocation
transpiration
peristaltic movement
digestion
10.When a few drops of iodine solution are added to rice water, the solution turns blue black in colour. This indicates that rice water contains. *
fats
complex proteins
strach
simple proteins
11.The exit of unabsorbed food material is regulated by. *
liver
anus
small intestine
anal sphincter
12.What are the products obtained by anaerobic respiration in plants. *
lactic acid +energy
carbon dioxide +water +energy
ethanol +carbon dioxide +energy
pyruvate
13.The breakdown of pyruvate to give carbon dioxide, water and energy takes place in. *
cytoplasm
mitochondria
chloroplasts
nucleolus
14.Glycolysis process occurs in which part of the cell. *
cytoplasm
nucleolus
mitochondria
chloroplasts
15.Name the substance whose build up in the muscles during vigorous physical exercise may cause cramps? *
ethanol +carbon dioxide +energy
lactic dioxide +water +enwrgy
carbon dioxide +water +energy
pyruvate
16.Name the pores in a leaf through which respi rarity exchange of gases rakes place. *
lenticels
vacuoles
xylem
stomata
17.The respiratory pigment in human beings is. *
carotene
chlorophyll
haemoglobin
mitochondria
18.Which plant tissue transport water and minerals from the roots to the leaf. *
xylem
phloem
parenchyma
collenchyma
19.The movement of food in phloem is called. *
transpiration
translocation
respiration
evaporation
20.A blood vessel which pumps the blood from the heart to the entire body. *
artery
capillary
vein
haemoglobin
21.Name a circulatory fluid in the human body other than blood. *
platelets
RBC
lymph
plasma
22.Name the tube which connects the kidneys to the urinary bladder. *
urethra
nephron
tubule
ureter
23.Where is the dirty blood in our body filtered? *
heart
lungs
ureter
kidneys
24.The procedure used for cleaning the blood of a person by separating urea from it is called. *
osmosis
filtration
dialysis
double circulation
25.Single circulation i.e.,blood flows through the heart only once during one cycle of passage through the body, is exhibited by which of the following. *
hyla, rana, draco
whale dolphin, turtle
labeo, chameleon, salamander
none of these​

Answer 1

Answer:

23 answer kidneys.heart pumps blood to all organs

Answer 2

Answer:

Ques4

Roots of the plants absorbs water from the soil through the process of osmosis...

Ques5

The site of photosynthesis in the cell is of a leaf is chloroplasts..

Ques6

In amoeba food is digested in food vacoule ...