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Wednesday, 20 January 2016

Every Day Science Zoology MCQs

                           Zoology MCQs

1.The lifespan of Red Blood Cells is __________ days.

    1. 60
    2. 120
    3. 180
    4. 240

Ans: 120

2.The average adult has a blood volume of about __________ liters.

    1. 4
    2. 5
    3. 6
    4. 7

Ans: 5

3. lifespan of White Blood Cells is __________ day(s).

    1. 1
    2. 2
    3. 3
    4. 4

Ans: 1

4. fluid part of blood is known as __________.

    1. plasma
    2. platelets
    3. blood cells
    4. none

Ans: plasma

5.Urine is produced in __________.

    1. Kidneys
    2. Lungs
    3. Large intestine
    4. Liver

Ans: Kidneys

6.blood is cleaned by

    1. Lungs
    2. Liver
    3. Heart
    4. Kidneys

Ans: Kidneys\

Digestion of food is completed in the __________.

    1. small intestine
    2. large intestine
    3. stomach
    4. Liver

Ans: small intestine

__________ are called the powerhouses of the cell.


    1. Mitochondria
    2. Vesicles
    3. Lungs
    4. Liver

Ans: Mitochondria

Mitochondria contain their own supply of

    1. DNA
    2. Amino acids
    3. Vitamins
    4. Oxygen

Ans: DNA

Which is the largest excretory organ of the body

    1. lungs
    2. skin
    3. liver
    4. none of these

Ans: skin

The brain is enclosed in a bony case called

    1. diaphragam
    2. vertebral column
    3. cranium
    4. vertebrae

Ans: cranium

Which is the bone that is present in forelimb

    1. radius
    2. femur
    3. ribs
    4. sternum

Ans: radius

Which one is herbivore

    1. cat
    2. dog
    3. cow
    4. lion

Ans: cow

The organisms that can make their own food are called

    1. producers
    2. consumers
    3. secondary consumers
    4. decomposers

Ans: producers

Bile juice is secreted by

    1. pancreas
    2. stomach
    3. intestine
    4. gall bladder

Ans: gall bladder

Which part of the blood cells provide immunity

    1. RBC
    2. WBC
    3. platelet
    4. blood plasma

Ans: WBC

DNA structure was first described by

    1. Pasteur
    2. Robert Koch
    3. Watson and Crick
    4. Carlous Linnaues

Ans: Watson and Crick

Movement of cell against concentration gradient is called

    1. active transport
    2. osmosis
    3. diffusion
    4. both b and c

Ans: active transport

One of the following is not a function of bones

    1. support
    2. production of blood cells
    3. protein synthesis
    4. muscle attachment

Ans: protein synthesis

Highly intelligent mammals are

    1. rat
    2. bat
    3. dolphin
    4. elephant

Ans: dolphin

Process of cell division take place by

    1. mitosis
    2. fertilization
    3. reproduction
    4. none of these

Ans: mitosi

Animal lacks

    1. starch
    2. cellulose
    3. protein
    4. lipids

Ans: cellulose

On which of the following plants did Gregor Mendal perform his classical experiment

    1. corn
    2. mustard
    3. pea
    4. sunflower

Ans: pea

The scientific name of human is

    1. Homo sapiens
    2. Homo habiscus
    3. Oriza sativa
    4. none of these

Ans: Homo sapiens

Malaria is caused by

    1. mosquito
    2. plasmodium
    3. virus
    4. bacteria

Ans:  plasmodium

Which is correct about enzymes

    1. protein in nature
    2. speed up reaction
    3. denature at high temperature
    4. all of these

Ans:all of these

Which is called power house of the cell


    1. golgi complex
    2. mitochondria
    3. nucleus
    4. endoplasmic reticulum

Ans: mitochondria

The structure that is absent in animal cell

    1. cell wall
    2. nulcleus
    3. centriole
    4. mitochondria

Ans: cell wall

The non-protein part of enzyme is called

    1. co-enzyme
    2. activator
    3. cofactor
    4. substrate

Ans: cofactor

One of the following is not pyrimidine

    1. thymine
    2. cytosine
    3. guanine
    4. uracil

Ans: guanine

Group of tissues doing a particular job

    1. organ
    2. system
    3. organelle
    4. individual

Ans:  organ

Members of the same species living in the same place at the same time make

    1. population
    2. ecosystem
    3. community
    4. trophic level

Ans: community

Which one is a leukocyte

    1. red blood cell
    2. plasma cell
    3. monocyte
    4. all of these

Ans: monocyte

Which one of the following contain deoxygenated blood

    1. pulmonary artery
    2. hepatic artery
    3. left atrium
    4. none of these

Ans: pulmonary artery

Which enzyme digest carbohydrates

    1. lipase
    2. proteases
    3. amylases
    4. none of these

Ans: amylases

The pancreas produce digestive enzymes and release in the

    1. stomach
    2. esophagus
    3. large intestine
    4. small intestine

Ans: small intestine

The exchange of chromosal segments i.e.crossing over occurs during

    1. first meiotic division
    2. mitotic division
    3. second meiotic division
    4. none of these

Ans: first meiotic division

The simplest amino acid is

    1. alanine
    2. glycine
    3. valine
    4. phenylalanine

Ans: glycine

Accumulation of lipid molecules in brain cells lead to

    1. paralysis
    2. oedema
    3. mental retardation
    4. all of these

Ans: mental retardation

The life and activities of a cell is controlled by

    1. cytoplasm
    2. nucleus
    3. vacuole
    4. mitochondria

Ans: nucleus

In many which phylum the body of an organisms is usually divided in there regions called head, thorax and abdomen

    1. echinodermata
    2. mollusca
    3. nematoda
    4. arthropoda

Ans: arthropoda

Snails belong to

    1. gastropods
    2. bivalves
    3. arthropods
    4. platyhelminthes

Ans: gastropods

Amoeba moves in water with the help of locomotory organs called

    1. tube feet
    2. cilia
    3. pseudopodia
    4. flagella

Ans: pseudopodia

Liver fluke is parasite in the liver of

    1. cattle
    2. sheep
    3. goat
    4. all of these

Ans: all of these

In all coelentrates endoderm give rise to

    1. nervous system
    2. digestive system
    3. reproductive system
    4. circulatory system

Ans: digestive system

Which bone is called beauty bone in women

    1. sternum
    2. clavicle
    3. maxilla
    4. radius

Ans: clavicle

Detachment of myosin head and actin in rigor mortis occurs due to

    1. stored ATP in body
    2. hypercalcemia
    3. autolysis in body
    4. hyperactivity of mitochondria

Ans: autolysis in body

Release of the ovum from ovary is called

    1. fertilization
    2. ovulation
    3. implantation
    4. none of these

Ans: ovulation

The foetus is protected from the mechanical damage by the

    1. cervix
    2. vagina
    3. uterus
    4. amniotic fluid

Ans: amniotic fluid

Rich source of energy in seimen is

    1. glucose
    2. fructose
    3. lactose
    4. sacrose

Ans: glucose

Earthworm lives in

    1. sea water
    2. moist soil
    3. fresh water
    4. none of these

Ans: moist soil

Kangaroo has an abdominal pouch known as

    1. placenta
    2. guttural pouch
    3. marsupial
    4. all of these

Ans: marsupial 

The utilization of the products of digestion is called

    1. ingestion
    2. absorption
    3. assimilation
    4. both a and b

Ans: assimilation

Parabronchi are present in

    1. cockroach
    2. frog
    3. fish
    4. birds

Ans: birds

The normal pH of human blood is

    1. 6.4
    2. 7.0
    3. 7.4
    4. 7.5

Ans: 7.4

Villi and microvilli increase

    1. digestion
    2. assimilation
    3. absorption
    4. ingestion  

Ans: absorption

Splitting of glucose relates to

    1. respiration
    2. photorespiration
    3. glycolysis
    4. pyruvic acid

Ans: glycolysis

Reptiles hibernate during

    1. summer
    2. winter
    3. spring
    4. autumn

Ans: winter

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