300+ REAL TIME NEET Biology Objective Questions & Answers 2023

300+ TOP MCQs on Method Of Birth Control and Answers

NEET Biology is the vey important paper in the medical entrance exam. Here, you will discover the NEET Biology MCQs and Answers for all Concepts as per the latest syllabus. Practice more on a regular basis with these NEET Biology objective questions on air pollution . NEET Biology Method Of Birth Control Multiple Choice Questions

MCQs on Method Of Birth Control :

1. What is the function of copper-T
(a) stops oblituation of blastocoel
(b) checks mutation
(c) stops fertilization
(d) stops zygote formation

Answer

Answer: (c)

2. Test tube baby means a baby born when
(a) developed in a test tube
(b) ovum is fertilized externally and thereafter implanted in uterus
(c) it is developed through the tissue culture method
(d) developed from a non-fertilized egg

Answer

Answer: (b)

3. Through amniocentesis foetal cells can be cultures and tested for detecting various diseases if foetus by
(a) DNA Analysis
(b) Karyotype
(c) Enzyme production
(d) All of these

Answer

Answer: (b)

4. The success of birth control programme in controlling population growth is dependant on
(a) tubectomy
(b) use of contraceptives
(c) vasectomy
(d) acceptability of the above by the people

Answer

Answer: (d)

5. Which one of the following is tested by the technique of amniocentesis
(a) chromosomal abnormalities in foetus
(b) biochemical abnormalities in foetus
(c) errors of metabolism in foetus
(d) all the above

Answer

Answer: (a)

6. Foetal sex can be determined by examining cells from the amniotic fluid by looking for
(a) Kinetochore
(b) chiasmata
(c) autosomes
(d) barr bodies

Answer

Answer: (d)

7. Action of vaginal diaphragm is
(a) prevent the sperm to come in contact with ova
(b) anti-implantational
(c) spermicidal
(d) prevent the ova to come in the uterus

Answer

Answer: (a)

8. Which of the following is a method of birth control
(a) GIFT
(b) IUDS
(c) IVE-ET
(d) HTF

Answer

Answer: (b)

9. Action of contraceptive is
(a) Prevention of ovulation and fertilization only
(b) prevent ovulation only
(c) prevent rapid passing of eggs in oviduct
(d) prevention of ovulation, implantation and fertilization only

Answer

Answer: (a)

10. Action of cream and jelly is
(a) entagles sperm
(b) spermicidal and immobilizing the sperms also
(c) enables sperms to reach towards ovum speedly
(d) prevents the ova from being released

Answer

Answer: (b)

300+ TOP MCQs on Cleavage Biology and Answers

MCQs on Cleavage Biology :

1. This is also known as meroblastic cleavage
(a) Partial
(b) Unequal holoblastic
(c) Equal holoblastic
(d) Superficial

Answer

Answer: (c)

2. The type of cleave found in insects
(a) Holoblastic
(b) Discoidal
(c) Superficial
(d) Meroblastic

Answer

Answer: (c)

3. Discoidal and superficial cleavages are types of
(a) Unequal holoblastic
(b) equal holoblastic
(c) both (a) and (b)
(d) Meroblastic

Answer

Answer: (d)

4. If the first cleavage furrow divides zygote completely into two, the cleavage type is
(a) meroblastic
(b) holoblastic
(c) equatorial
(d) radial

Answer

Answer: (b)

5. The only human system that is derived from all the three germ layers is
(a) Nervous system
(b) Digestive system
(c) Respiratory system
(d) Excretory system

Answer

Answer: (b)

6. Fertilized egg divides by the process of
(a) Oogenesis
(b) Cleavage
(c) Regeneration
(d) Invagination

Answer

Answer: (b)

7. If an unfertilized egg is pricked with a micro needle, it will
(a) transform into a tadpole at a faster rate
(b) die immediately
(c) will remain undivided
(d) start dividing

Answer

Answer: (d)

8. A freshly unfertilized egg of hen contains
(a) 10,000 cells
(b) 1,000 cells
(c) 100 cells
(d) one cell

Answer

Answer: (d)

9. How many cleavages are completed in 16 celled stage of egg
(a) 12
(b) 8
(c) 4
(d) 3

Answer

Answer: (c)

10. The spindle in determinate cleavage is
(a) Horizontal
(b) Oblique
(c) Vertical
(d) Sub-equatorial

Answer

Answer: (b)

300+ TOP MCQs on Lamarckism and Answers

MCQs on Lamarckism :

1. An example of industrial melanism is
(a) Mutation
(b) Neo Darwinism
(c) Neo Lamarckism
(d) Natural selection

Answer

Answer: (d)

2. Most likely, people who perform tough manual work can develop
(a) thick epidermis on their palms
(b) thick subcutaneous fat in their palms
(c) greater quantity of melanin all over the body
(d) greater number of sweat pores in their hands

Answer

Answer: (a)

3. In Lamarck’s view, the key of organic evolution is that each progeny
(a) shows struggle for existence
(b) characters acquired by parental generation are inherited
(c) is similar to its parents
(d) phylogeny is repeated in its ontogeny

Answer

Answer: (b)

4. 72 generations of Drosophila were kept in darkness by a scientist. Despite that, the first flies possessed eyes that were normal. This disapproves the theory of
(a) Acquired characters
(b) Synthetic theory
(c) Natural selection
(d) use and disuse

Answer

Answer: (a)

5. This is a most popular example of Lamarck
(a) Primrose
(b) Snakes
(c) African Giraffe
(d) Both (b) and (c)

Answer

Answer: (d)

6. The idea of use and disuse of organs was given by
(a) Lamarck
(b) Morgan
(c) Darwin
(d) Hugo de Vries

Answer

Answer: (a)

7. Acquired characteristics of Lamarck are not inherited and have an evolutionary value. Who gave this statement?
(a) Weismann
(b) Hugo de Vries
(c) TH Morgan
(d) Charles Darwin

Answer

Answer: (a)

8. Who stated this theory – organ in use will develop and if not used will weaken to turn vestigial
(a) Mendel
(b) De Vries
(c) Darwin
(d) Lamarck

Answer

Answer: (d)

9. Scientists regarded as Neo Lamarckists are
(a) Correns, Hugo de Vries and Tschermak
(b) August Weismann and T.H Morgan
(c) Hardy Weinberg
(d) Kammerer and Mc Dougall

Answer

Answer: (d)

10. Germplasm theory against Lamarck’s principle was put forward by
(a) Darwin
(b) Lamarck
(c) Weismann
(d) Hugo de Vries

Answer

Answer: (c)

300+ TOP MCQs on Gout and Answers

MCQs on Gout :

1. Pharmacologic therapy can be initiated after how long, once acute gout attack has taken place?
(a) after 48 hours
(b) within 1 hour
(c) within 24 hours
(d) after 24 hours

Answer

Answer: (c)

2. The accumulation of this substance in the body causes Gout
(a) Blood plasma
(b) WBC
(c) Uric acid
(d) Synovial fluid

Answer

Answer: (c)

3. This is a symptom of gout
(a) purple or red skin
(b) severe pain, warmth and swelling in joints
(c) itching skin, peeling at the site of gout attack
(d) all of these

Answer

Answer: (d)

4. Gout attack commonly occurs at this site
(a) knee
(b) foot
(c) ankle
(d) big toe

Answer

Answer: (d)

5. This is recommended to consider as first-line therapy for gout
(a) Probenecid
(b) Allopurinol
(c) Febuxostat
(d) Benzbromarone

Answer

Answer: (b)

6. Gout is known as “diseases of kings” because
(a) it was diagnosed by a king’s doctor
(b) it is hereditary
(c) of its association with rich food
(d) gout is not the “diseases of kings”

Answer

Answer: (c)

7. This increases the chances of developing gout
(a) diet having high salt content
(b) genetics – family history
(c) asthma
(d) all of these

Answer

Answer: (b)

8. It is recommended to avoid __________ for people with gout
(a) dairy products
(b) alcohol
(c) both (a) and (b)
(d) none of the above

Answer

Answer: (b)

9. Generally, uric acid is eliminated from the body through
(a) sweat
(b) breathing
(c) urine
(d) metabolization of liver

Answer

Answer: (c)

10. This is not a first-line option for pharmacological treatment of gout
(a) Corticosteroids
(b) Aspirin
(c) Oral colchicine
(d) NSAIDS

Answer

Answer: (b)

300+ TOP MCQs on Spirogyra and Answers Quiz Exam [Latest]

MCQs on Spirogyra :

1. Find the incorrect match
(a) Nostoc – water blooms
(b) Basidiomycetes – puffballs
(c) Spirogyra – motile gametes
(d) Sargassum – Chlorophyll

Answer

Answer: (c)

2. Which of the following does not have a sexual mode of reproduction?
(a) Volvox
(b) Spirogyra
(c) Nostoc
(d) Ulothrix

Answer

Answer: (c)

3. Spirogyra belongs to which of the following classes?
(a) Chlorophyceae
(b) Phaeophyceae
(c) Cyanophyceae
(d) Rhodophyceae

Answer

Answer: (a)

4. Which of the following is false about Spirogyra?
(a) nucleolus is complex
(b) heterothallism
(c) each chloroplast contains a single pyrenoid
(d) chromosomes are polycentric

Answer

Answer: (c)

5. The ladder-like structure formed in Spirogyra is the result of
(a) Asexual reproduction
(b) Direct conjugation
(c) Lateral conjugation
(d) Scalariform conjugation

Answer

Answer: (d)

6. Ribbon-shaped chloroplast is the characteristic feature of
(a) Spirogyra
(b) Chlamydomonas
(c) Riccia
(d) Ulothrix

Answer

Answer: (a)

7. The type of sexual reproduction in Spirogyra is
(a) isogamous
(b) anisogamous
(c) oogamous
(d) cleistogamous

Answer

Answer: (a)

8. In Spirogyra, pyrenoids are present in
(a) cell wall
(b) cytoplasm
(c) nucleus
(d) chloroplast

Answer

Answer: (d)

9. Spirogyra reproduce sexually by
(a) fragmentation
(b) conjugation
(c) somatogamy
(d) akinetes formation

Answer

Answer: (b)

10. Which of the following is also known as pond silk
(a) Ulothrix
(b) Spirogyra
(c) Nostoc
(d) Anabaena

Answer

Answer: (b)

300+ TOP MCQs on Paramecium and Answers

MCQs on Paramecium :

1. Unicellular eukaryotes are grouped in
(a) Protista
(b) Monera
(c) Fungi
(d) Archaea

Answer

Answer: (a)

2. In Paramecium, osmoregulation occurs through
(a) body surface
(b) pseudopodia
(c) nucleus
(d) contractile vacuole

Answer

Answer: (d)

3. In Paramecium, genetic information is stored in
(a) all the nuclei present
(b) mitochondria
(c) micronucleus
(d) macronucleus

Answer

Answer: (c)

4. Phylum Protozoa is classified based on
(a) size
(b) shape
(c) number of nuclei
(d) locomotory organ

Answer

Answer: (d)

5. Conjugation as a mode of reproduction is present in
(a) ciliata
(b) flagellata
(c) sarcodina
(d) sporozoa

Answer

Answer: (a)

6. In Paramecium, food is ingested through
(a) cytoproct
(b) cytopyge
(c) cytosome
(d) cytopharynx

Answer

Answer: (c)

7. Trichocyst of Paramecium is required for
(a) osmoregulation
(b) nutrition
(c) reproduction
(d) defence

Answer

Answer: (d)

8. Paramecium are
(a) holophytic
(b) holozoic
(c) parasitic
(d) saprobiotic

Answer

Answer: (b)

9. In Paramecium, metabolic activities and growth is regulated by
(a) macronucleus
(b) micronucleus
(c) both (a) and (b)
(d) contractile vacuole

Answer

Answer: (a)

10. In Paramecium, both autogamy and conjugation are called sexual reproduction because of
(a) rejuvenation
(b) gene combination
(c) the fusion of haploid gametes
(d) involvement of two individuals

Answer

Answer: (c)