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Life Processes

Life Processes

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Question 1
In monotropa the special type of root which absorbs nourishment is the ________
A
Haustoria
B
Mycorrhizal root
C
Clinging root
D
Adventitious root
Question 2
The product obtained in the Anaerobic respiration of yeast is _____
A
Lactic acid
B
Pyruvic acid
C
Ethanol
D
Acetic acid
Question 3
The roots of a coconut tree are seen growing far from the plant. Such a kind of movement of root for want of water is _____
A
Phototropism
B
Geotropism
C
Chemotropism
D
Hydrotropism
Question 4
The xylem in the plants is responsible for______
A
transport of water
B
transport of food
C
transport of amino acids
D
transport of oxygen
Question 5
The autotrophic nutrition requires______
A
. CO_2 and water
B
chlorophyll
C
sunlight
D
all the above
Question 6
___________ of green plants are called factories of food production.
A
Mitochondria
B
Chloroplasts
C
Endoplasmic reticulum
D
Nucleus
Question 7
The special root-like structure of plant parasites in cuscuta and viscum are called ________
A
Rhizoids
B
Haustoria
C
Hyphae
D
Stolons
Question 8
Pick out the odd one: The parts of the alimentary canal are_________
A
pharynx
B
mouth
C
buccal cavity
D
pancreas
Question 9
The process in which metabolic wastes are removed is ______
A
Conduction
B
Excretion
C
Respiration
D
all of these
Question 10
The green pigment in the leaf_________
A
Chlorophyll
B
Leucoplast
C
Chromoplast
D
None of these
Question 11
These cells in vertebrate animals are defensive in function________
A
Leucocytes
B
Erythrocytes
C
Thrombocytes
D
None of the above
Question 12
Enzymes are called as __________
A
bio-catalyst
B
catalyst
C
chemical substances
D
starch
Question 13
Complete oxidation of a glucose molecule in aerobic respiration produces_______ ATP molecules.
A
20
B
21
C
37
D
38
Question 14
Amoeba, Hydra etc respire through their_________
A
gills
B
moist skin
C
body surface
D
lungs
Question 15
Respiratory organ for a fish is _____
A
moist skin
B
scales
C
gills
D
fins
Question 16
The _________ structures surrounded by blood capillaries provide a surface for exchange of gases in human.
A
bronchi
B
bronchioles
C
alveoli
D
lungs
Question 17
The ________ is the site for photosynthesis.
A
root
B
stem
C
leaf
D
flower
Question 18
__________ conducts food from leaves to all parts of a plant.
A
Phloem
B
Xylem
C
Tracheids
D
Vessels
Question 19
The loss of water from the aerial parts of the plant in the form of vapour is called  ___________
A
Respiration
B
Transpiration
C
Nutrition
D
Transportation
Question 20
Translocation occurs in the part of vascular tissue called ______
A
tracheids
B
xylem
C
phloem
D
leaf
Question 21
_______ is a colourless fluid, similar to plasma of blood, which helps in transportation.
A
Blood
B
Mucus
C
Lymph
D
Cerebro-spinal fluid
Question 22
______ excrete their wastes through contractile vacuoles.
A
birds
B
amphibians
C
annelids
D
protozoans
Question 23
_______ is an artificial process used to remove nitrogenous waste products when the kidneys fail to function.
A
Dialysis
B
Dialyser
C
ECG
D
Glucometer
Question 24
The special kidneys used to collect extra from the coelomic cavity of annelids are ________
A
Nephrons
B
Neurons
C
Nephridia
D
Collecting tube
Question 25
The excretory products of birds are composed of _________
A
uric acid
B
dilute HCl
C
urea
D
ammonia
Question 26
________ is the main excretory product in mammals
A
Ammonia
B
Urea
C
Uric acid
D
None of the above.
Question 27
In mammals, _______ and ___________ sytem help in co-ordination.
A
digestive system and nervous
B
nervous system and lymphatic
C
nervous system and endocrine
D
endocrine and muscular system
Question 28
Response of the plant to the direction of light is ________
A
Chemotropism
B
Hydrotropism
C
Phototropism
D
Geotropism
Question 29
When the pollen tubes towards the ovule, it shows _________ types of movement.
A
phototrophic
B
chemotrophic
C
geotrophic
D
hydrotropic
Question 30
The chemical substances secreted by the endocrine glands are called _______
A
Lymph
B
Hormones
C
Cell sap
D
Complex compounds
Question 31
Response of the plant to the direction of gravity is________
A
Hydrotropism
B
Chemotropism
C
Phototropism
D
Geotropism
Question 32
In xylem tissues the waste products are stored as______
A
resin
B
wax
C
latex
D
oil
Question 33
______ is a colourless fluid.
A
Blood
B
Lymph
C
Grape juice
D
Olive oil
Question 34
The transport of soluble products of photosynthesis is called ________
A
Transpiration
B
Transduction
C
Translocation
D
Transformation
Question 35
The nervous system consists of tissues which conducts________
A
water
B
food
C
blood
D
messages
Question 36
Transpiration occurs through_______
A
micropyle
B
stomata
C
root
D
stem
Question 37
The radical portion of an embryo grow towards______
A
light
B
chemical
C
gravity
D
water
Question 38
The constituents of the phloem which act as a pipeline from leaves to the other parts of the plant are___________
A
companion cells
B
sieve tubes
C
tracheids
D
vessels
Question 39
ADP + Pi  _________
A
ATP
B
ADPPi
C
ADPi
D
ADP
Question 40
Cytopharynx, a cytoplasmic depression to swallow food is seen in _____
A
Amoeba
B
Paramoecium
C
Hydra
D
Spinges
Question 41
An advance form of digestion is seen in________
A
fish
B
frog
C
birds
D
man
Question 42
Complex food swallowed is broken down into simpler food molecules by the action of enzymes in the _____
A
hormones
B
catalyst
C
digestive juice
D
chemicals
Question 43
The translocation by phloem is achieved by _______
A
energy
B
chemicals
C
hormones
D
food
Question 44
______is transferred into phloem tissue using energy from ATP.
A
amino acids
B
lipid
C
sucrose
D
fructose
Question 45
________  takes place in the cytoplasm.
A
Glycolysis
B
Kreb’s cycle
C
ETP
D
Oxidative decarboxylation
Question 46
Oxidation of pyruvic acid takes place in the ________
A
Cytoplasm
B
Mitochondria
C
Golgi body
D
Nucleus
Question 47
Match the following.
  1. Hydra    a. Gills
  2. Fish         b. Body surface
  3. Frog     c. Stomata
  4. Plants     d. Lungs and skin
A
3 4 2 1
B
2 1 4 3
C
1 4 2 3
D
4 3 2 1
Question 48
Match the following.
  1. Earthworm    a. Simplest form of co-ordinating system
  2. Insects          b. Dual nerve cord
  3. Worm       c. Ganglia
  4. Man           d. Brain
A
3 1 2 4
B
4 3 2 1
C
1 4 2 3
D
2 1 4 3
Question 49
Match the following.
  1. Green plants         a. fungi
  2. Non-green plants    b. saprophytes
  3. Cuscutta                c. autotrophs
  4. Monotropa            d. parasitic
A
3 1 2 4
B
4 3 2 1
C
2 4 1 3
D
2 1 4 3
Question 50
Match the following.
  1. Xylem a. lymph fluid
  2. Phloem b. blood
  3. Heart c. water
  4. Lymph d. food
A
3 1 2 4
B
4 3 1 2
C
2 4 1 3
D
2 1 4 3
Question 51
Match the following.
  1. Sunlight              a. absorbed from the soil
  2. Carbondi-oxide   b. green pigments in the chloroplasts
  3. Chlorophyll          c. assimilated from the atmosphere
  4. Water                       d. energy from  the sun
A
3 1 2 4
B
4 3 2 1
C
2 4 1 3
D
2 1 4 3
Question 52
Match the following.
  1. Unicellular Protozoans   a. Diffuse out through the cell membrane
  2. Coelenterates                   b. Excretory tubes
  3. Round worms                 c. Nephridia
  4. Annelids                       d. Contractile vacuoles
A
3 1 2 4
B
4 3 2 1
C
2 3 4 1
D
2 1 4 3
Question 53
Match the following.
  1. Direction of Light     a. Hydrotropism
  2. Direction of gravity   b. Phototropism
  3. Direction of water      c. Chemotropism
  4. Direction of chemicals d. Geotropism
A
3 1 4 2
B
4 3 2 1
C
2 3 4 1
D
2 1 4 3
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There are 53 questions to complete.

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