ICSE%20XII/MCQ%20Questions%20for%20Class%2012%20Biology%20Set%204 Sample Test,Sample questions

Question:
AIDS caused by:

1. By fungus

2.By Virus

3.By Bacteria

4. By Helminthes

Posted Date:-2022-09-23 15:56:22


Question:
AIDS occur by which cause?

1. Reduction of T-Helper cells

2.Reduction of Killer T-cells

3. Auto immune

4. Less production of interferon

Posted Date:-2022-09-23 15:58:24


Question:
Alcohol is the most socially accepted narcotic drug. Excessive consumption of alcohol leads to:

1. Loss of memory

2. Live cirrhosis

3.State of hellucination

4. Suppresion of brain function

Posted Date:-2022-09-23 16:09:25


Question:
Antigen-binding site in an antibody, is found between:

1. Two light chains

2. Two heavy chains

3.One heavy and one light chain

4.Either between two light chains or between one heavy and one light chain

Posted Date:-2022-09-23 16:08:17


Question:
Antigens are present:

1.Inside nucleus

2. One the cell surface

3.Inside cytoplasm

4.On nuclear membrane

Posted Date:-2022-09-23 16:20:10


Question:
As per Neo-Darwinism, which is mainly responsible for evolution?

1. Mutation

2.Natural drift

3. Both of these

4.All of these

Posted Date:-2022-09-22 17:02:59


Question:
BCG vaccine is a preventive measure against:

1. Tuberculosis

2. Typhoid

3. AIDS

4. Cholera

Posted Date:-2022-09-23 16:16:16


Question:
Book ‘Philosophique Zoologique’ was written by:

1.Lamarck

2. Mendel

3. Darwin

4. Hugo-devries

Posted Date:-2022-09-22 17:04:44


Question:
By the plant of which family Heroin is obtained?

1. Leguminaceae

2. Papa Veraceae

3. Liliaece

4. Solanaceae

Posted Date:-2022-09-23 16:01:54


Question:
Caffein, Amphetamine and coceins are:

1. Pain Killer

2.Tranquillizer

3.Hallucination

4. Stimulant

Posted Date:-2022-09-23 16:00:02


Question:
Coiling of DNA duplex is:

1.Left-handed

2. Right-handed

3.Parallel

4.All of these

Posted Date:-2022-09-22 16:57:22


Question:
Common cold is caused by:

1.Retro virus

2. Phage virus

3. Rhino virus

4.Sendai virus

Posted Date:-2022-09-23 16:06:20


Question:
Disease associated with secretion of toxin is:

1. TB

2. AIDS

3. Tetanus

4.Food Poisoning

Posted Date:-2022-09-23 16:10:03


Question:
Dispersal of population depends on:

1. On immigration

2. On Emigration

3.On Migration

4. All of these

Posted Date:-2022-09-22 17:03:37


Question:
DNA double helix model was given by:

1. Knoll and Ruska

2. Khorana

3. Watson and Crick

4. Priestley

Posted Date:-2022-09-22 16:57:53


Question:
DNA transcription, if nucleotide sequence of DNA strand, that is being coded in ATACG, then the nucleotide sequence in m-RNA would be:

1. UATGC

2.TATGC

3. TCTGG

4. UAUGC

Posted Date:-2022-09-22 16:59:14


Question:
Evolutionary history of an organism is known as:

1. Ontogeny

2. Phytogeny

3.Ancestry

4.Palaentolgy

Posted Date:-2022-09-22 17:04:09


Question:
Following is Hallucinator

1.LSD

2.Heroin

3.Cocein

4.Morphin

Posted Date:-2022-09-23 16:00:43


Question:
Following which is STD:

1.Typhoid

2.Cholera

3. Malaria

4. Syphilis

Posted Date:-2022-09-23 16:04:14


Question:
Gonorrhoea is caused by:

1.By Treponema pallidium

2.By Entamoeba gingivalis

3.By Mycobacterium taprae

4.By Neisseria gonorrhoeae

Posted Date:-2022-09-23 16:07:39


Question:
Hardy-Weinberg principle explains :

1. Chromosomal

2. Genetic drift

3. Genetic equilibrium

4. All of these

Posted Date:-2022-09-22 17:02:28


Question:
Heroin is the form of :

1.Aesthetic

2. Hallucination

3.Irritation

4.All of the above

Posted Date:-2022-09-23 15:59:23


Question:
Immune deficiency symdrome is caused by:

1.Defected liver

2. Defected thymus

3.AIDS Virus

4.Loss of Immune system

Posted Date:-2022-09-23 15:57:09


Question:
In a m-RNA, how many nucleotide sequence code for amino acid:

1. One

2.Two

3. Three

4. Four

Posted Date:-2022-09-22 16:59:47


Question:
Inprokaryotic translation, GTP molecule required in at:

1. Formation of formyl-met-f-RNA

2. Joining of 30S sub-unit of ribosome with n-RNA

3. Joining of 30S m-RNA on Formyl-met-f-RNA

4. Joining of 50S subunit of ribosome with initiation complex

Posted Date:-2022-09-22 16:58:41


Question:
Kala-azar is transmitted by:

1.By Sand fly

2. By Tsetse fly

3. By House fly

4. By Mosquitoes

Posted Date:-2022-09-23 16:11:42


Question:
Man in the life-cycle of plasmodium is:

1. Primary host

2. Secondary host

3. Intemediate host

4. None of these

Posted Date:-2022-09-23 16:22:37


Question:
Memory cells are formed from:

1.Monocytes

2. Eosinophils

3. Neutrophils

4. Lymphocytes

Posted Date:-2022-09-23 16:12:21


Question:
Missing link in evolution is:

1.Pheretima

2.Limulus

3.Peripatus

4. Archaeopterys

Posted Date:-2022-09-22 17:01:48


Question:
Nitrogenous bases present in DNA:

1.Adenine, guanine, cytosine, thymine

2. Adenine, guanine, cytosine, uracil

3. Adenine, thymine, uracil

4.Guanine, uracil

Posted Date:-2022-09-22 17:00:59


Question:
Okazaki fregments is:

1. RNA primer

2.small segments of DNA on leading stand

3. Small segments of DNA on lagging stand

4.None of these

Posted Date:-2022-09-22 16:55:46


Question:
One of these is not prepared directly from DNA

1. m-RNA

2. f-RNA

3.r-RNA

4. Protein

Posted Date:-2022-09-22 16:56:51


Question:
Opiates are obtained from

1. Thea sinesis

2. Coffea Arabica

3. Oryzasativa

4.Papaver Seminiferum

Posted Date:-2022-09-23 16:02:27


Question:
Opium is:

1.Hemp

2. Charas

3.Heroin

4. Nicotin

Posted Date:-2022-09-23 15:57:44


Question:
Pain-killer drugs:

1.Makes Tissue

2.Relieve from pain

3. Relieve from tired

4.Pain creater

Posted Date:-2022-09-23 15:55:33


Question:
PCR is test for:

1.HIV

2. Cancer

3.Tuberculosis

4.Cholera

Posted Date:-2022-09-23 16:03:35


Question:
RNA from which has clover leaf model:

1.f-RNA

2. r-RNA

3. hn-RNA

4. m-RNA

Posted Date:-2022-09-22 17:00:24


Question:
The biogenetic law of Haeckel is:

1. Ominis vivum-e-eellula

2. Omminis cellula-e-cellula

3.Ontogeny repeats phytogeny

4. Phytogeny repeats ontogeny

Posted Date:-2022-09-22 17:06:00


Question:
The disease, tetanus also known as:

1.Shingles

2.Gangrene

3. Lockjaw

4.Whooping cough

Posted Date:-2022-09-23 16:21:48


Question:
Theory of Pangenesis was given by:

1. Darwin

2. Lamarck

3. Weismann

4.DeVries

Posted Date:-2022-09-22 17:07:02


Question:
Transposons occur in:

1. In Eukaryotes

2. In Prokaryotes

3. In both (a) and (b)

4. None of these

Posted Date:-2022-09-22 16:56:21


Question:
Which is not component of lac operon:

1. Primer gene

2.Promoter gene

3. constructive gene

4. Regulator gene

Posted Date:-2022-09-22 16:55:10


Question:
Which of the following is the cancer of blood?

1.Sarcoma

2. Lymphoms

3.Leukemia

4. None of these

Posted Date:-2022-09-23 16:06:51


Question:
Which one of the following phenomenon supports Darwin’s concept of natural selection in organic evolution?

1.Development of transgenic animals

2.Production of‘Dolly the sheep’ by cloning

3. Prevalence of pesticide resistant insects

4. Development of organs from ‘Stem cells’ for organ transplantation

Posted Date:-2022-09-22 17:05:26


Question:
Which organ of body is most affected by excessive intake of alcohol?

1.Lungs

2. Liver

3.Stomach

4.Spleen

Posted Date:-2022-09-23 16:05:47


Question:
Which part of poppy plant yields opium:

1. Latex from unripe capsules

2.Dried roots

3.Dried leaves

4. Dired seeds

Posted Date:-2022-09-23 16:11:09


Question:
Widal test is done to confirm:

1. Malaria

2. Typhoid

3.AIDS

4.Cancer

Posted Date:-2022-09-23 16:10:33


Question:
Wings of Butterfly and birds are:

1. Vestigial organs

2. Analogous organs

3. Homologous organs

4. Both (a) and (b)

Posted Date:-2022-09-22 17:06:32


Question:
World AIDS day is:

1.1 May

2. 20 December

3. 1 June

4. 1 December

Posted Date:-2022-09-23 16:01:15


Question:
Wuchereria bancrofti causes filaria in human being. It is of which group:

1.Protozoa

2. Bacteria

3.Virus

4. Helminth

Posted Date:-2022-09-23 16:05:12


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