Biology and Human Welfare Multiple choice questions
NEET multiple choice questions in small practice tests for Biology and Human welfare are given with answers.
These are based on 10 + 2 syllabus. It includes Microbes in Human Welfare, Health and disease.
Each practice test contains 10 questions only. These questions were given in previous years competitive examinations.
You should study the lesson Biology and Human Welfare in the textbook of Biology NCERT or other.
You must be answer the multiple choice questions in your own way.
Biology and Human Welfare MCQ in small practice test
Biology
Biology and Human Welfare
Multiple choice questions
Self Practice test 1
1) Which of the following is a free living biocontrol microbial agent for plant pathogen ?
1. Mucor
2. Glomus
3. Tricoderma
4. Rhizobium
2) Which of the following is correctly matched for the product produced by them ?
1. Methanobacterium : Lactic acid
2. Penicillium notatum : Acetic acid
3. Sacchro-myces cerevisiae : Ethanol
4. Acetobacter aceti : Antibiotics
3) The primitive prokaryotes responsible for the production of biogas from the dung of ruminant animals, includes the :
1. Halophiles
2. Thermoacidiophiles
3. Methanogenes
4. Eubacteria
4) Choose the correct statement :
1. Aspergillus niger is bacterium which is used for obtaining acetic acid and citric acid
2. Streptokinase is used as a clot buster
3. Monascus purpureus is responsible for production of large poles in Swiss cheese
4. Toddy manufactured by Lactobacillus
6) Which one of the following is an example of carrying out biological control of pests diseases using microbes ?
1. Bt-Cotton to increase cotton yield
2. Lady bird beetle against aphids in mustard
3. Trichoderma sp. against certain plant pathogens
4. Nucleopolyhedrovirus against white rust in back in Brassica
7) Consider the following four statements (a – d) and select option which includes all the correct ones only.
a. Single cell Spirulina can produce large quantities of food rich in protein, minerals, vitamins etc.
b. Body weight-wise the microorganism methylophilus methylotrophus maybe able to produce several times more proteins than the cows per day.
c. Common button mushrooms are a very rich source of vitamin C.
d. A rice variety has been developed which is very rich in calcium.
Options :
1. Statements b, c and d
2. Statements a, b
3. Statements c, d
4. Statements a, c and d
8) Which one of the following is a wrong matching of microbe and its industrial product, while the remaining three or correct?
1. Aspergillus : Citric acid
2. Yeast : Statins
3. Acetobacter aceti : Acetic acid
4. Clostridium butylicum : Lactic acid
9) The most abundant prokaryotes helpful to humans in making curd from milk and in production of antibiotics are ones categorised as :
1. Chemosynthetic autotrophs
2. Heterotrophic bacteria
3. Cyanobacteria
4. Archaebacteria
10) Yeast is used in the production of :
1. Bread and beer
2. Cheese and butter
3. Citric acid and lactic acid
4. Lipase and pectinase
Answers for self practice test 1
1) 3
2) 3
3) 3
4) 2
5) 1
6) 3
7) 2
8) 4
9) 2
10) 1
Practice test for Biology and Human Welfare NEET
Self practice test 2
1) Which of the following is not an autoimmune disease ?
1. Alzheimer’s disease
2. Rheumatoid arthritis
3. Psoriasis
4. Vitiligo
2) Thalassemia Sickle cell anaemia are caused due to a problem in globin molecule synthesis.
Select the correct statement :
1. Both are due to quantitative defect in globin chain synthesis
2. Thalassemia is due to the less synthesis of globin molecules
3. Sickle cell anemia is due to a quantitative problem of globin molecules
4. Both are due to qualitative defect in globin chain synthesis
3) Antivinom injection contains performed antibodies while polio drops that are administrated into the body contain :
1. Activated pathogens
2. Harvested antibodies
3. Gamma globulin
4. Attenuated pathogens
4) Asthma may be attributed to :
1. Bacterial infection of the lungs
2. Allergic reaction of the mast cells in the lungs
3. Inflammation of the trachea
4. Accumulation of a fluid in the lungs
5) Which of the following is not a sexually transmitted disease
1. Acquired Immuno Deficiency Syndrome (AIDS)
2. Trachomoniasis
3. Encephalitis
4. Syphilis
6) Which of the following is correctly matched with their chromosomal condition ?
1. Sickle Cell Anaemia – Heterozygous condition of Hbs gene
2. Down’s Syndrome – Trisomy of chromosome 22
3. Turner’s Syndrome – XO condition
4. Klinefelter’s Syndrome – Failure of cytokinesis after telophase
7) Select the correct statement regarding the specific disorder of muscular or skeletal system :
1. Myasthenia gravis – Auto immune disorder which inhibits sliding of myosin filaments
2. Goat-inflammation of joints due to extra deposition of calcium
3. Muscular dystrophy -age related shortening of muscles
4. Osteoporosis – disease in bone mass and higher chances of fractures with advancing age
8) In a standard ECG, which one is the following alphabets in the correct representation of the respective activity of the human heart ?
1. P – depolarisation of the atria
2. R – Repolarisation of ventricles
3. S – start of systole
4. T – end of diastole
9) Consider the following four statements (a – d) regarding kidney transplant under select the two correct ones out of these :
a. Even if a kidney transplant is proper recipient may need to take immuno- suppressant for a long time
b. The cell – mediated immune response is responsible for the graft rejection
c. The B – lymphocytes are responsible for rejection of the graft
d. The acceptance or rejection of a kidney transplant depends on specific interference
The two correct statements are :
1. a and b
2. b and c
3. c and d
4. a and c
10) Which one of the following options gives the correct matching of a disease with its causative organism and mode of infection :
Answers for self practice test 2
1) 1
2) 2
3) 4
4) 2
5) 3
6) 3
7) 4
8) 1
9) 1
10) 3
M
Note : You should be answered the questions in your own method. Check whether they are related to the lesson in the textbook.
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