Font size
WorksheetsLife processes
Total questions: 77
Worksheet time: 40mins
The valve present between right atrium and right ventricle.
tricuspid
bicuspid
pulmonary
aortic
It is the site of gaseous exchange in human lungs.
villi
alveoli
trachea
larynx
In unicellular organisms like amoeba gaseous exchange takes place through the process of ____________.
osmosis
transportation
diffusion
elimination
The substance in plants and animals that act as an energy currency.
DNA
RNA
ADP
ATP
The continuous contractions and relaxations of the digestive organs is called
peristalsis
photosynthesis
expansion
constriction
_________________ artery carries deoxygenated blood.
aortic
pulmonary
renal
inferior
Digestion starts from
Stomach
Small intestine
Oesophagus
Buccal cavity
Saliva contains the enzyme named:
Pepsin
Amylase
Luciferase
What is the full form of ATP?
(a)
The digestive juice produced by stomach contains
Hydrochloric acid
Pepsin
Mucus
Trypsin
A blood vessel which carries blood back to heart is
Artery
Vein
Capillary
Kind of nutrition in which the organisms feed on dead and decaying organic matter is ____________
Holozoic
saprophytic
parasitic
autotrophic
- Amoeba captures its food with the help of _________
tentacles
claws
cillia
pseudopodia
Excess glucose is stored in the form of glycogen in the _____________
pancreas
gall bladder
blood
liver
Guard cells are usually ___________________
rectangular in shape
pear-shaped
spherical
kidney shaped
Nephrons pour their excretory products in _____________
Uriniferous tubules
collecting tubules
kidneys
ureter
Nitrogenous waste are formed by the breakdown of _______
ammonia
fat
aminoacids
carbohydrates
Pericardium is the protective membrane outside the _________
Heart
Kidney
Lungs
Stomach
The largest artery in the human body is _________________
pulmonary artery
venacava
capillaries
aorta
In the process of respiration __________________________
ADP is converted into ATP
Glucose is converted into carbondioxide
glucose is converted into carbondioxide and water which releases energy
pyruvic acid is converted into ATP
Which plant tissue transports water and minerals from the roots to the leaf?
Xylem
Phloem
Parenchyma
Collenchyma
The movement of food in phloem is called:
transpiration
translocation
respiration
evaporation
Blood vessel which carries the blood from the heart to the entire body:
capillary
Vein
All
artery
Name a circulatory fluid in the human body other than blood.
Plasma
Urine
Lymph
None
Name the tube which connects the kidneys to the urinary bladder.
Urethra
Nephron
Tubule
Ureter
The excretory unit in the human excretory system:
Kidney
Neuron
Nephron
Nephridia
Which of the following is achieved by utilising ATP?
Transport of water
Transport of food
Transport of minerals
Transport of oxygen
Chamber of the heart with thickest wall
Left Atrium
Left Ventricle
Right Atrium
Right Ventricle
Diastolic pressure of a healthy adult human being
120 mm of Hg
120 mm of atm
80 mm of Hg
80 mm of atm
The metal ion present in haemoglobin is:
Ca
Mg
Na
Fe
What is digestion?
Breaking down food into molecules usable by cells
Taking in food or drink
Maintaining a stable internal environment
Taking in or releasing of oxygen or carbon dioxide
Organisms are made of at least two cells
Multicellular
Unicellular
The cells utilize glucose to produce energy
Nutrition
Excretion
Respiration
Homeostasis
The process by which food is changed into a form the body can use.
Nutrition
Synthesis
Digestion
Respiration
Waste products are eliminated during urination
Circulation
Homeostasis
Excretion
Metabolism
The bloodstream brings oxygen and food to cells.
Synthesis
Growth
Excretion
Transport
The removal of waste products produced by cell activities from the organism. This can involved the skin, the kidneys and the lungs.
RESPIRATION
REPRODUCTION
REGULATION
EXCRETION
All of the chemical reactions in the body that break down and build molecules.
Homeostasis
Metabolism
Circulation
Regulation
The process of nutrition...
detect and respond changes in the environment
provides your body with energy and nutrients
have offspring
Which life process involves getting physically larger?
reproduction
synthesis
growth
regulation
Which life process obtains and uses food?
excretion
synthesis
growth
nutrition
Which life process involves the use of oxygen and carbon dyoxide ?
Regulation
Synthesis
Nutrition
Respiration
Which Of The Following Statement Is Or Are Incorrect?
All the living organisms need energy to perform various life processes.
Energy is not required by an organism during sleep.
Food is a kind of will which provides energy to all living organisms.
Our body gets longest size in in early morning in the bed.
Which Part Of Alimentary Canal Receives Bile From The Liver?
Stomach
Oesophagus
Large intestine
Small intestine
When Air Is Blown From Mouth Into A Test-Tube Containing Lime Water, The Lime Water Turned Milky Due To The Presence Of
Carbon dioxide
Oxygen
Nitrogen
Water vapour
Choose The Function Of The Pancreatic Juice From The Following
Trypsin digests proteins and lipase carbohydrates
Trypsin digests emulsified fats and lipase proteins
Trypsin and lipase digest fats
Trypsin digests proteins and lipase emulsified fats
The only artery which carries deoxygenated blood is:
Pulmonary artery
Renal artery
Hepatic artery
Coronary artery
Oxygenated blood reaches heart by
Pulmonary artery
Aorta
Vena cava
Pulmonary vein
The color of blood plasma is:
Red
Yellowish green
Pink
Pale yellow
The mode of nutrition found in fungi is:
(a) Parasitic nutrition
(b) Holozoic nutrition
(c) Autotrophic nutrition
(d) Saprotrophic nutrition
Which of the following events in the mouth cavity will be affected if salivary amylase is lacking in the saliva?
(a) Starch breaking down into sugars.
(b) Proteins breaking down into amino acids.
(c) Absorption of vitamins.
(d) Fats breaking down into fatty acids and glycerol.
The green pigment used in photosynthesis is
A. Phytochrome
B. Chlorophyll
C. Hemoglobin
D. None
Hydrochloric acid is secreted by
A. Pancreas
B. Small intestine
C. Liver
D. Gastric glands of the stomach
The breakdown of pyruvate to give carbon di-oxide, water and energy takes place in
(a) cytoplasm
(b) mitochondria
(c) chloroplast
(d) nucleus
Name the substances whose build up in the muscles during vigorous physical exercise may cause cramps?
(a) Ethanol + Carbon dioxide + Energy
(b) Lactic acid + Energy
(c) Carbon dioxide + Water + Energy
(d) Pyruvate
Which plant tissue transports water and min-erals from the roots to the leaf?
(a) Xylem
(b) Phloem
(c) Parenchyma
(d) Collenchyma
Passage of urine occur through:
(a) Kidney → urinary bladder → urethra → ureter
(b) Urinary bladder → ureter → kidney → urethra
(c) Kidney → ureter → urethra → urinary bladder
(d) Kidney → ureter → urinary bladder → urethra
………. is the site of the complete digestion of carbohydrates, proteins and fats.
(a)
………. transports products of photosynthesis from the leaves to other parts of the plant.
(a)
Select The Correct Statement:
(A) Heterotrophs do not synthesize their own food
(B) Heterotrophs utilize solar energy for photosynthesis
(C) Heterotrophs synthesize their own food
(D) Heterotrophs are capable of converting carbon dioxide and water into carbohydrates
Which is the correct sequence of body parts in the human alimentary canal?
(a) Mouth → stomach → small intestine → large intestine → oesophagus
(b) Mouth → oesophagus → stomach → small intestine → large intestine
(c) Mouth → stomach → oesophagus → smallintestine → large intestine
(d) Mouth → oesophagus → stomach → large intestine → small intestine
Choose The Event That Does Not Occur In Photosynthesis
[A]. Absorption of light energy by chlorophyll.
[B]. Reduction of carbon dioxide to carbohydrates.
[C]. Oxidation of carbon to carbon dioxide.
[D]. Conversion of light energy to chemical energy.
In A Quiz Competition, You Are Asked A Question Where You Have To Choose The Statement Which Is/ Are Incorrect?
[A]. The process in which the absorbed food is taken in by body cells and used for energy growth and repair is called assimilation.
[B]. The process in which the digested food passes through the intestinal wall into bloodstream is called absorption.
[C]. The process in which the food containing large in soluble molecules is broken down into small water-soluble molecules is called digestion.
[D]. None of the above.
a plant is kept in dark cupboard for 48 hours before conducting any experiment on photosynthesis to
remove chlorophyll from the leaves
remove starch from the plant
ensure that no photosynthesis occurs
ensure that leaves are free of starch
the correct order of steps in nutrition in human beings is
ingestion - digestion - assimilation - absorption - egestion
ingestion - digestion - absorption - assimilation - egestion
ingestion - absorption - digestion - egestion - assimilation
ingestion - assimilation - absorption - digestion - egeston
All producers show
heterotrophic nutrition
autotrophic nutrition
holozoic nutrition
both A and B
bile is produced in
Gall bladder
pancreas
liver
duodenum
During deficiency of oxygen pyruvate is converted into lactic acid in
mitochondria
nucleus
chloroplast
cytoplasm
passage of inhaled air in human beings
trachea - lungs - larynx - pharynx - alveoli
nose - larynx - pharynx - bronchus - alveoli - bronchioles
nostril - pharynx - larynx - trachea - bronchi - bronchioles - alveoli
nose - mouth - lungs
inhalation occurs when
diaphragm is lowered
diaphragm is elevated
ribs move upwards
ribs move downward
conduction of water in plants mainly occur through
tracheids
companion cells
sieve tubes
stomata
contraction in the right ventricle pumps blood into the
Aorta
pulmonary vein
pulmonary artery
coronary artery
the main function of the lymph is
transport O2 to brain
transport CO2 to lungs
return interstitial fluid to blood
return RBCs and WBCs to lymph vessels
Excretion commonly involves
Removal of by products during catabolism
Removal of by products during anabolism
Removal of nitrogenous waste
All of the above
Glomerulus and Bowman's capsule constitute
collecting tubule
malphigian capsule
ureters
collecting duct
