NEET Test Series-2021/NEET Biology MCQS Mock Test Paper 6 Sample Test,Sample questions

Question:
A process using microbes to convert toxic industrial wastes to less toxic or non-toxic compounds is

1.Precipitation

2.Complement fixation

3.Bioconversion

4.Bioremediation


Question:
All the plants like fern and mosses, which produce spores are grouped under

1. bryophytes

2. cryptogams

3.thallophytes

4. sporophytes


Question:
 A characteristic feature of bryophytes is

1. a dominant and parasitic sporophyte

2.a dominant and spore-producing gametophyte

3.a small sporophyte phase, which is dependent on the gametophyte

4.sporophytes stay for a longer duration


Question:
 In some of the liverworts, spore dispersal is aided by

1. elaters

2.peristome teeth

3. indusium

4.calyptra


Question:
 Independent male and female gametophytes are present in

1. Pinus

2.mustard

3.castor

4.Sphagnum


Question:
 The organelle helping in penetrating of sperm into egg during fertilization is

1. peroxisome

2. nucleus

3.lysosome

4.mitochondrion


Question:
 This forms the crystalline core inside peroxisome

1. condensed ammonium chloride

2. salt crystals

3.highly condensed oxidative enzymes

4.collection of phospholipids


Question:
Find the correct statement about Inner ear

1.made up of bony and membranous segments

2.membranous labyrinth encloses bony labyrinth

3. endolymph surrounds membranous labyrinth

4.air-filled inner segment


Question:
Find the correct statement about the eustachian tube

1.connects internal ear to external ear

2.it equalises pressure between middle ear and outer atmosphere

3.connects middle ear to pharynx

4. Both (b) and (c)


Question:
Find the incorrect match

1.Middle ear – amplifies sound waves

2.Hair cells – present on basilar membrane

3. Saccule and utricle – maintain static equilibrium

4.Cristae – perform hearing function


Question:
Find the true statement about bryophytes

1. they have chloroplasts

2. they have archegonia

3.they are thalloid

4.all of the above


Question:
HACCP stands for

1.Physical, Chemical and Biological hazards

2.Accurately monitoring food hygiene hazards

3.Identifying CCPs, inclusive of procedure, location and process

4.A systematic analysis of all steps and regular monitoring of control points


Question:
In mosses, meiosis takes place during

1.gamete formation

2.antheridia and archegonia formation

3.spore germination

4.spore formation


Question:
Inside the cell, H2O2 clearance is brought about by

1. Peroxisome with enzyme amino oxidase

2.Glyoxysome with enzyme catalase

3.Peroxisome with enzyme catalase

4.Glyoxysome with enzyme isocitrate lyase


Question:
It receives sound vibration and passes to the eardrum

1. outer ear

2.middle ear

3.inner ear

4.eustachian tube


Question:
Ananda Chakraborty received the first U.S. patent for a GM entity. The entity was

1.The GloFish

2.a transgenic mouse expressing the growth hormone gene

3.Cloned E.Coli

4.Pseudomonas engineered to degrade petroleum


Question:
Organelle – Glyoxysomes is involved in

1. conversion of fatty acids to lipids

2. conversion of amino acids to carbohydrates

3.conversion of fatty acids to carbohydrates

4.conversion of amino acids to proteins


Question:
Pasteurization is the process of healing milk

1.above 1500C

2.above 1210C

3. above boiling point

4.below boiling point


Question:
Peat moss is used for transporting plants to distant places because

1.it is hygroscopic

2.it reduces transpiration

3.it is easily available

4.it serves as a disinfectant


Question:
Pick the odd one out

1. Glycosomes

2.Mitochondria

3.Hydrogenosomes

4.Mitosomes


Question:
Pick the odd one out in context of their surrounding membrane systems

1. Mitochondria

2.Chloroplasts

3.Endoplasmic reticulum

4. Nucleus


Question:
The antherozoids of Funaria are

1. monociliated

2. biciliated

3.multiciliated

4. aciliated


Question:
The basilar membrane is present between

1.scala vestibule and scala media

2.scala media and scala tympani

3.both (a) and (b)

4.scala vestibule and scala tympani


Question:
The bioremediation process involving the usage of plants to degrade pollutants is

1.Composting

2.Biopile

3. Phytoremediation

4.Land farming


Question:
The border between the middle and inner ear is formed by

1.incus

2.oval window

3.pinnae

4.tympanic membrane


Question:
The full form of PFA is

1.Prevention of Food Act

2.Protection of Food Act

3.Prevention of Food Adulteration

4. None of the above is correct


Question:
The membranous labyrinth contains

1.Cystolymph

2.Otolymph

3.Perilymph

4.Endolymph


Question:
The name of the group of proteins in the peroxisomal membrane is

1. Peroxins

2. Transporters

3.Translocation proteins

4.Peroxisomal membrane proteins


Question:
The Organ of Corti is present in

1. scala vestibuli

2.scala tympani

3.scala media

4. none of the above


Question:
The preservation of food through ‘ Cold sterilization’ involves

1.Dehydration

2.Lyophilization

3.Refrigeration

4.Radiation


Question:
The thalloid plant body is found in

1.Marchantia

2.Sphagnum

3.Funaria

4.Salvinia


Question:
This enzyme embedded in the peroxisomal membrane is responsible to activate fatty acids before undergoing beta-oxidation.

1.Fatty acid dehydrogenase

2.3-ketothiolase

3.Acyl- CoA oxidase

4.Acyl – CoA synthase


Question:
This is an example of biological hazard

1. Cleaners

2.Antibiotics

3.Salmonella

4.Dirt


Question:
This is not an indigenous microbe used for bioremediation

1.Pseudomonas aeruginosa

2.Piscirickettsia salmonis

3.Phanerochaete sordida

4.E. coli


Question:
This method dehydrates microbial cells by plasmolysis thereby causing them to die

1.Heating

2.Smoking

3.Pasteurization

4. Sugaring


Question:
This organelle is involved in lipid metabolism

1.RER

2.SER

3.Golgi apparatus

4. Peroxisomes


Question:
Under the PFA Act, when is the food said to be adulterated

1. if any ingredient is injurious to health

2. if it is obtained from a diseased anima

3. if spices are sold without their essence

4. all of these


Question:
Which among the following is also known as bog moss?

1.Riccia

2.Sphagnum

3.Marchantia

4.Funaria


Question:
Which part of the ear has no role to play in hearing but is very important?

1.Ear ossicles

2. Organ of Corti

3.Eustachian tube

4.Vestibular apparatus


Question:
______ bacterium can withstand the dosage of radiation, which are several times higher than what human cells can tolerate

1.Escherichia coli

2.Conus magus

3.Deinococcus radiodurans

4.Staphylococcus aureus


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