Accumulation of lipid molecules in brain cells lead to
1.paralysis
2.oedema
3.mental retardation
4.all of these
Amoeba moves in water with the help of locomotory organs called
1.tube feet
2.cilia
3.pseudopodia
4.flagella
Bean shaped cells in plants are
1.mesophyll cells
2.xylem cells
3.phloem cells
4.guard cells
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
Detail study of internal organs at level of tissue with the help of microscope is called
1.histology
2.anatomy
3.physiology
4.embryology
Earthworm lives in
1.sea water
2.moist soil
3.fresh water
4.none of these
Flagella are composed of
1.micro tubules
2.micro filaments
3.intermediate filaments
4.glycoproteins
Fructose is
1.milk sugar
2.cereal sugar
3.aldo sugar
4.keto sugar
Gram +ve bacteria on treatment with crystal violet dye give colour
1.red
2.green
3.purple
4.pink
Group of tissues doing a particular job
1.organ
2.system
3.organelle
4.individual
Higher vascular plants are also called
1.flowering plants
2.seed plants
3.ferns
4.none of these
How many molecules of carbon dioxide are formed in one Krebs cycle
1.2
2.4
3.6
4.1
In all coelentrates endoderm give rise to
1.nervous system
2.digestive system
3.reproductive system
4.circulatory system
In human beings influenza is caused by
1.bacteria
2.protist
3.virus
4.fungi
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
In most plants the food is transported in the form of
1.fructose
2.sucrose
3.starch
4.glucose
It is very serious disease of brain which is caused by fungi
1.ring worm
2.meningitis
3.hepatitis
4.none of these
Kangaroo has an abdominal pouch known as
1.placenta
2.guttural pouch
3.marsupial
4.all of these
Liver fluke is parasite in the liver of
1.cattle
2.sheep
3.goat
4.all of these
Malarial parasite is injected into man as
1.sporozoites
2.merozoites
3.zygote
4.none of these
Many bacteria in our digestive system synthesize vitamins for example vitamin
1.B1
2.B2
3.B12
4.B6
Members of the same species living in the same place at the same time make
1.population
2.ecosystem
3.community
4.trophic level
Non-enveloped naked viruses are known as
1.prions
2.bacteriophages
3.oncoviruses
4.virions
Outside the thallus of Marchantia there are special structures called
1.stem tuber
2.rhizoids
3.sporangium
4.none of these
Parabronchi are present in
1.cockroach
2.frog
3.fish
4.birds
Release of the ovum from ovary is called
1.fertilization
2.ovulation
3.implantation
4.none of these
Rich source of energy in seimen is
1.glucose
2.fructose
3.lactose
4.sacrose
Shrinkage of protoplast due to exosmosis of water is
1.imbibition
2.plasmolysis
3.deplasmolysis
4.adhesion
Sickle cell anemia was discovered by
1.Vernon Ingram
2.Sanger
3.Miescher
4.none of these
Snails belong to
1.gastropods
2.bivalves
3.arthropods
4.platyhelminthes
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
The foetus is protected from the mechanical damage by the
1.cervix
2.vagina
3.uterus
4.amniotic fluid
The life and activities of a cell is controlled by
1.cytoplasm
2.nucleus
3.vacuole
4.mitochondria
The most common type of asexual reproduction in the fungi is
1.fragmentation
2.spore production
3.budding
4.binary fission
The normal pH of human blood is
1.6.4
2.7.0
3.7.4
4.7.5
The pancreas produce digestive enzymes and release in the
1.stomach
2.esophagus
3.large intestine
4.small intestine
The plants which produce embryo but lack vascular tissues and seeds are placed in
1.bryophytes
2.pteridophytes
3.tracheophytes
4.all of these
The respiratory problem most common in smokers is
1.tuberculosis
2.emphysema
3.asthma
4.cancer
The simplest amino acid is
1.alanine
2.glycine
3.valine
4.phenylalanine
The terms procariotique and eucariotique were proposed by
1.Whittaker
2.Chatton
3.Haeckel
4.Margulis and Schwartz
The utilization of the products of digestion is called
1.ingestion
2.absorption
3.assimilation
4.both a and b
The vascular plants are termed as
1.tracheophytes
2.bryophytes
3.pteridophytes
4.all of these
They are widespread as protective coatings on fruits and leaves
1.cholesterol
2.waxes
3.chitin
4.all of these
Tobacco mosaic virus was crystallized by
1.Pasteur
2.Chamberland
3.Stanely
4.Ivanowski
Water potential of pure water is
1.zero
2.one
3.negative
4.two
Which bone is called beauty bone in women
1.sternum
2.clavicle
3.maxilla
4.radius
Which enzyme digest carbohydrates
1.lipase
2.proteases
3.amylases
4.none of these
Which from the following are present in the underground parts of the plants and stored food
1.leucoplast
2.chromoplast
3.chloroplast
4.stem
Which one is a leukocyte
1.red blood cell
2.plasma cell
3.monocyte
4.all of these
Which one of the following contain deoxygenated blood
1.pulmonary artery
2.hepatic artery
3.left atrium
4.none of these