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Free download in PDF Life Processes Objective Type Questions & Answers for competitive exams. These short objective type questions with answers are very important for competitive exams as well as Board exams. These short solved questions or quizzes are provided by Gkseries.
(21)
In which of the following groups of organisms, food material is broken down outside the body and absorbed?
[A]
Mushroom, green plants, Amoeba
[B]
Yeast, mushroom, bread mould
[C]
Paramecium, Amoeba, Cuscuta
[D]
Cuscuta, lice, tapeworm
Answer: Yeast, mushroom, bread mould
(22)
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 carbohydrates
Answer: Heterotrophs do not synthesize their own food
(23)
If salivary amylase is lacking in the saliva, which of the following events in the mouth cavity will be affected?
[A]
Proteins breaking down into amino acids
[B]
Starch breaking down into sugars
[C]
Fats breaking down into fatty acids and glycerol
[D]
Absorption of vitamins
Answer: Starch breaking down into sugars
(24)
Which part of alimentary canal receives bile from the liver?
[A]
Stomach
[B]
Small intestine
[C]
Large intestine
[D]
Oesophagus
(25)
In which part of the alimentary canal food is finally digested?
[A]
Stomach
[B]
Mouth cavity
[C]
Large intestine
[D]
Small intestine
(26)
Choose the function of the pancreatic juice from the following
[A]
Trypsin digests proteins and lipase carbohydrates
[B]
Trypsin digests emulsified fats and lipase proteins
[C]
Trypsin and lipase digest fats
[D]
Trypsin digests proteins and lipase digests emulsified fats droplets
Answer: Trypsin digests proteins and lipase digests emulsified fats droplets
(27)
When air is blown from mouth into a test-tube containing lime water, the lime water turned milky due to the presence of
[A]
Oxygen
[B]
Carbon dioxide
[C]
Nitrogen
[D]
Water vapour
(28)
Which is the correct sequence of air passage during inhalation?
[A]
Nostrils → Larynx Pharynx → Trachea → Lungst
[B]
Nasal passage → Trachea → Pharynx → Larynx → Alveoli
[C]
Larynx → Nostrils → Pharynx → Lungs
[D]
Nostrils → Pharynx → Larynx → Trachea → Alveoli
Answer: Nostrils → Pharynx → Larynx → Trachea → Alveoli
(29)
During respiration exchange of gases take place in
[A]
Trachea and larynx
[B]
Alveoli of lungs
[C]
Alveoli and throat
[D]
Throat and larynx
(30)
Single circulation, i.e., blood flows through the heart only once during one cycle of passage through the body, is exhibited by
[A]
Labeo, Chameleon, Salamander
[B]
Hippocampus, Exocoetus, Anabas
[C]
Hyla, Rana, Draco
[D]
whale, dolphin, turtle
Answer: Hippocampus, Exocoetus, Anabas
31
In which of the following vertebrate group/groups, heart does not pump oxygenated blood to different parts of the body?
[A]
Pisces and amphibians
[B]
Amphibians and reptiles
[C]
Amphibians only
[D]
Pisces only
32
The filtration units of kidneys are called
[A]
Ureter
[B]
Urethra
[C]
Neurons
[D]
Nephrons
33
The internal (cellular) energy reserve in autotrophs is
[A]
Glycogen
[B]
Protein
[C]
Starch
[D]
Fatty acid