laboursonline – MCQs, Mock Tests | NEET Test Series-2021 to 2022 NEET Biology MCQS Mock Test Paper 26

This can elicit enterogastric reflex

1. hyperosmotic chyme in the duodenum
2. acid chime in the duodenum
3. distension of the duodenum
4. all of these

✅ Correct Answer: 4

With regards to vomiting –

1. can be produced by conditioned reflex
2. occurs on an empty stomach only
3. occurs in a denervated stomach only
4. occurs by strong contraction of the walls of the stomach

✅ Correct Answer: 1

The conversion of this is brought about by enterokinase

1. proteins into polypeptide
2. pepsinogen into pepsin
3. trypsinogen into trypsin
4. lactose to sucrose

✅ Correct Answer: 3

Rennin acts on

1. fat in the intestine
2. protein in the stomach
3. At 1-3 pH, milk converting casein to calcium paracaseinate
4. At 7.2-8.2 pH, milk converting casein to calcium paracaseinate

✅ Correct Answer: 3

The release of this stimulates pancreatic juice

1. Cholecystokinin
2. Secretin
3. Both (a) and (b)
4. Enterokinase

✅ Correct Answer: 3

The epithelial cells of the intestine which participate in absorption of food have this on their surface

1. Microvilli
2. Zymogen granules
3. Phagocytic vesicles
4. Pinocytic vesicles

✅ Correct Answer: 1

A combination of anxiety and spicy food can cause

1. Seizures
2. Indigestion
3. Hypotension
4. None of these

✅ Correct Answer: 2

Food indigestion is mainly caused by

1. infection
2. lack of saliva
3. lack of water in the body
4. lack of chewing

✅ Correct Answer: 4

In human beings, fungal infection is known as

1. Fungosis
2. Mycosis
3. Mucorsis
4. Micromia

✅ Correct Answer: 2

Which of these is not the causal organism for ringworm

1. Epidermophyton
2. Microsporum
3. Macrosporum
4. Trichophyton

✅ Correct Answer: 3

In Humans, the causative of Ringworm is

1. bacteria
2. virus
3. nematodes
4. fungi

✅ Correct Answer: 4

Which is the classification of a group of fungi having septate mycelium wherein sexual reproduction either is unknown or absent?

1. Basidiomycetes
2. Ascomycetes
3. Deuteromycetes
4. Phycomycetes

✅ Correct Answer: 3

In children, this leads to epidemic ringworm of the scalp

1. Epidermophyton floccosum
2. Candida albicans
3. Trichophyton rubrum
4. Microsporum audouinii

✅ Correct Answer: 4

In human beings, the fungus that can cause a disease is

1. Cystopus
2. Aspergillus
3. Puccinia
4. Rhizopus

✅ Correct Answer: 2

Who is honoured with the title of “Father of Modern Mycology”?

1. Micheli
2. De Bary
3. Bawden
4. Stanley

✅ Correct Answer: 2

What is the ringworm of the scalp called?

1. onychomycosis
2. tinea unguium
3. tinea pedis
4. tinea capitis

✅ Correct Answer: 4

Appearance of scaly, dry lesions with a sense of itch on different body parts are symptoms of

1. amoebiasis
2. ascariasis
3. ringworm
4. elephantiasis

✅ Correct Answer: 3

For fungus, the culture media is

1. Sabouraud’s medium
2. Chocolate agar medium
3. NNN Medium
4. Tellurite medium

✅ Correct Answer: 1

These are the set of hormones that the hypothalamus produces

1. Thyroxine and oxytocin
2. Antidiurectic hormone and oxytocin
3. Testosterone and oxytocin
4. Estrogen and oxytocin

✅ Correct Answer: 2

In hypothalamus, osmoreceptors are involved in

1. secretion of aldosterone
2. secretion of ACTH
3. secretion of ADH
4. secretion of GH

✅ Correct Answer: 3

If Hypothalamus does not secrete GnRH, it would have an impact on

1. Hypersecretion of pituitary gonadotropins
2. Hyposecretion of pituitary gonadotropins
3. Hypersecretion of prolactin
4. Hypersecretion of oxytocin

✅ Correct Answer: 2

GnRH directly triggers the release of

1. Thyrocalcitonin
2. Estrogen
3. Progesterone
4. FSH

✅ Correct Answer: 4

The Hypothalamus forms a part of _____

1. Future brain
2. Hind brain
3. Forebrain
4. Midbrain

✅ Correct Answer: 3

This comprises nerve tissue and down growth from the hypothalamus

1. Adrenal
2. Thymus
3. Anterior pituitary
4. Posterior pituitary

✅ Correct Answer: 4

The secretion of several anterior pituitary hormones are governed by other hormones from

1. Thyroid gland
2. Hypothalamus
3. Adrenal gland
4. Pancreatic lobes

✅ Correct Answer: 2

In the hypothalamus, the displacement of set point is a result of

1. Pyrogens
2. Receptors
3. Effectors
4. Pathogens

✅ Correct Answer: 1

This event can cause a damage to the hypothalamus portal system

1. decreased secretion of PTH
2. decreased secretion of TSH
3. decreased secretion of oxytocin
4. decreased secretion of ADH

✅ Correct Answer: 2

This structure connects hypothalamus and the pituitary

1. Cerebral cortex
2. Infundibulam
3. Anterior
4. Corpus callosum

✅ Correct Answer: 2

Neurodegenerative diseases such as mad cow and Kuru diseases are caused by infectious particles known as

1. coronavirus
2. viroids
3. retrovirus
4. prions

✅ Correct Answer: 4

This is not a prion disease

1. Scrapie
2. Bovine spongiform encephalopathy
3. Lewy body dementia
4. Creutzfeldt Jakob disease

✅ Correct Answer: 3

In human cells, this is the first virus to be cultured

1. HIV
2. Influenza virus
3. Dengue virus
4. Polio virus

✅ Correct Answer: 4

What causes scrapie in sheep?

1. Proteins
2. Viroid
3. Prion
4. Virion

✅ Correct Answer: 3

______ is a protein having partial with no detachable nucleic acid

1. Proteins
2. Viroid
3. Prions
4. Virion

✅ Correct Answer: 3

________ are the naked RNA strands infecting plants

1. prions
2. RNA viruses
3. viroids
4. retroviruses

✅ Correct Answer: 3

What is the other name for Bovine spongiform encephalopathy?

1. Kuru disease
2. Mad cow disease
3. Mad dog disease
4. Sheep’s disease

✅ Correct Answer: 2

What is the latent viral DNA contained in the host DNA referred to as?

1. invader
2. prion
3. prophage
4. viroid

✅ Correct Answer: 3

In sheep, this disease characterizes pneumonia and demyelination

1. Scrapie
2. Measles
3. Pneumonia
4. Visna

✅ Correct Answer: 4

Lack of coordination and muscle twitching in a disease takes place due to this prion

1. Tetanus
2. Cancer
3. Kuru disease
4. Marasmus

✅ Correct Answer: 3

For vermicomposting, this species of earthworm is not apt

1. Perionyx excavatus
2. Pheretima posthuma
3. Eudrilus eugeniae
4. Eisenia fetidae

✅ Correct Answer: 2

The process in which earthworms are used to degrade organic wastes is

1. Compost bedding
2. Humus forming
3. Vermicomposting
4. None

✅ Correct Answer: 3

Kitchen wastes and animal excreta can be minimized most profitably via

1. vermiculture
2. biogas production
3. direct usage as biofertilizers
4. storing in underground storage tanks

✅ Correct Answer: 2

The process of covering spawned compost with a suitable material is known as

1. cropping
2. casing
3. spawning
4. composting

✅ Correct Answer: 2

While burrowing, the anterior ends of earthworms become turgid serving as a hydraulic skeleton though they do not possess a skeleton. This is as a result of

1. setae
2. gut peristalsis
3. coelomic fluid
4. none of the above

✅ Correct Answer: 3

This is apt for vermicomposting

1. Algae
2. Nitrifying bacteria
3. Earthworms
4. Fungus

✅ Correct Answer: 3

Vermicompost is a/an

1. toxic material
2. organic biofertilizer
3. inorganic fertilizer
4. synthetic fertilizer

✅ Correct Answer: 2

This can be the best worm for composting

1. pink worms
2. red wigglers
3. maggots
4. does not matter

✅ Correct Answer: 2

In earthworms, typhlosome is a

1. excretory structure
2. a circulatory system structure
3. fold of intestine
4. defence mechanism

✅ Correct Answer: 3

Which of the following nutrients is abundantly found in worm castings?

1. Phosphorus
2. Nitrogen
3. Calcium and other minerals
4. All of these

✅ Correct Answer: 4

The respiratory quotient or R.Q. is greater than one in which case?

1. Glucose
2. Fat
3. Fructose
4. Organic acid

✅ Correct Answer: 4

RQ (Respiratory Quotient) can be defined as

1. Volume of carbon dioxide evolved ÷ Volume of oxygen consumed
2. Volume of carbon dioxide evolved = Volume of oxygen consumed
3. Volume of oxygen evolved ÷ Volume of carbon dioxide consumed
4. Volume of oxygen consumed ÷ Volume of carbon dioxide evolved

✅ Correct Answer: 1