NEET SECTION - A [ZOOLOGY - MCQ]

(B) Statement I is correct but Statement II is incorrect
Statement I:
In cuboidal epithelium the cells are compactly packed with little intercellular matrix.
Statement II :
The salivary gland is exocrine gland so it is not secrete hormone.

(B) A-iv, B-iii, C-ii, D-i
A. Phallomere iv. The external genitalia
B. Gonopore iii. Opening of the ejaculatory duct
C. Spermatophore ii. Bundles of sperm
D. Ovarioles i. Chain of developing ova

(C) Anal styles are absent in females
The statements is true for cockroach
(A) The number of ovarioles in each ovary are eight
(B) The larval stage is called Nymph
(C) Anal styles are absent in females
(D) They are uricotelic

C

(C) Collenchyma
Cells of this tissue are living and show angular wall thickening. They also provide mechanical suport. The tissue is Collenchyma

(D) A, B, C
A. Haemophilia – Sex linked recessive
B. Thalassemia – Genetic disorder
C. Cystic fibrosis – Mendelian disorder
D. Turner syndrome – Chromosomal disorder

(B) B, C, D
The correct match for mendel experiment

Dominant	Recessive
A. Axial	i. Terminal
B. Round	ii. Wrinkled
C. Tall	iii. Dwarf
D. Green colour of pod	iv. Yellow colour of pod

B

(B) All are Ex-situ conservation methods
The common to the techniques (i) in vitro fertilisation, (ii) Cryopreservation and (iii) Tissue culture

C

(D) A-II, B-III, C-IV, D-I

A. Tertiary consumer	II. Lion
B. Secondary consumer	III. Wolf
C. Primary consumer	IV. Goat
D. Primary producer	I. Grass

 

(D) It involves the function of flow of energy but not recycling of nutrients
The correct statement about ecosystem? :
(A) It can vary from small sized pond to large sized sea
(B) It may be anthropogenic in origin
(C) It may be temporary or Permanent
(D) It involves the function of flow of energy and recycling of nutrients also

(D) Female wasp and fig species
Mutualism – Female wasp and fig species

D

(C) Study of altered physiology of host
Pathophysiology is the Study of altered physiology of host

(A) dsRNA
In RNAi, the genes are silenced using dsRNA

(C) Uptake of DNA through transient pores in the bacterial cell wall
Significance of 'heat shock' method in bacterial transformation is to facilitate

(C) Endonuclease
An enzyme catalysing the removal of nucleotides from DNA is Endonuclease

(C) Entamoeba coli
Entamoeba coli is not a source of restriction endonuclease

(C) Cyanobacteria and Rhizobium
the following pairs of microbes, which pair has both the microbes that can be used as biofertilizers

(C) Erythroxylum coca
Coca alkaloid or cocaine is obtained from

(D) Cytokine barrier - Macrophage in tissues
(A) Physical barrier - Mucus coating of the epithelium lining Respiratory tract
(B) Physiological barrier - Saliva in the mouth
(C) Cellular barrier - Leukocytes
(D) Cellular barrier - Macrophage in tissues

A

(A) A-iv, B-i, C-ii, D-iii

Column-l	Column-II
A. Darwin	iv. Evolution by natural selection
B. Oparin	i. Abiogenesis
C. Lamarck	ii. Use and disuse of organs
D. Hugo devries	iii. Mutation theory

(B) Only C

Class	Phylum/Division
A. Mammalia	Chordata
B. Insecta	Arthropoda
C. Dicotyledonae	Angiospermae
D. Monocotyledonae	Angiospermae

(B) Both Statement I and Statement II are correct
Statement I:
In case of plants or microbes the term morphology precisely means only the study of form or externally visible features.
Statement II :
The word anatomy conventionally is used for the study of morphology of internal organs in the animals.

(A) A-iii, B-iv, C-i, D-ii
A. TMV – iii. RNA is infectious
B. Bacteriophage – iv. DNA is infectious
C. Viroids – i. RNA is infectious
D. Lichen – ii. Two types of organism involved

(B) Statement l is correct but Statement II is incorrect
Statement I:
Fruits is a mature or ripened ovary developed after fertilisation.
Statement II :
In fleshy types of fruit pericarp is clearly differentiated into epicarp, mesocarp and endocarp.

(A) All
The correct statement for sunflower
a. It is the member of asteraceae family
b. b. The placenta develops at the base of ovary and a single ovule is attached to it
c. A single leaf arise at each node in alternate manner
d. Ovary inferio

(A) a, b, d
The correct statement for supar class pisces
a. In chondrichthyes claspers are present in male
b. Air bladder regulates buoyancy in osteichtyes
c. Heart is two chambered
d. Members of pisces are called true fish

(D) Both Statement I and Statement II are correct
Statement I:
In Sphaghum male and female gametophyte are independent free living existence.
Statement II :
In Pinus male and female gametophyte are not independent free living existence.

(A) A-iii, B-iv, C-ii, D-i

Column-l	Column-II
A. Resting potential	iii. Electrical potential difference across the resting neural membrane
B. Nerve impulse	iv. An electrical wave like response of a neuron to a stimulation
C. Synaptic cleft	ii. Gap between the pre synaptic and post synaptic neurons
D. Neurotransmitters	i. Chemicals involved in the transmission of impulses at synapses

(D) Both Statement I and Statement II are correct
Statement I:
For plants the earliest systems of classification used
only gross superficial morphological characters such
as habit, colour number and shape of leaves etc.
Statement II :
Natural classification systems were based on natural
affinities among the organisms and consider, not only
external features, but also internal features, like
ultrastructure, anatomy, embryology and
phytochemistry.

(A) B, C and E only.
The correct statements regarding mechanism of muscle contraction :
A. It is initiated by a signal sent by CNS via motor neuron.
B. Neurotransmitter generates action potential in the sarcolemma.
C. Increased Ca⁺⁺ level leads to the binding of calcium with troponin on actin filaments.
D. Unmasking of active site for actin is activated.
E. Utilising the energy from ATP hydrolysis to form cross bridge.

(C) No urea
Dialysing unit (artifical kidney) contains a fluid which is almost same as plasma except that it has No urea

(B) Aldosterone - Facilitates water reabsorption
(A) Renin– prevents conversion of angiotensinogen in blood to angiotensin
(B) Aldosterone – Facilitates water reabsorption
(C) ADH ANF – enhances sodium reabsorption
(D) ANF – causes vasodilation

(D) All
A. TMV – RNA is infectious
B. Bacteriophage – DNA is infectious
C. Viroids – RNA is infectious
D. Lichen – Two types of organism involved

(A) A-iv, B-iii, C-v, D-ii E-i
A. 2,4–D iv. Weed - free lawns
B. ABA iii. Stomata closure
C. Ethylene v. Ripening of fruits
D. GA ii. Bolting
E. Cytokinins i. Herring sperm DNA

(B) Fumaric Acid - Glycolysis
(A) Dihydroxyacetone Phosphate - Glycolysis
(B) Fumaric Acid - Krebs cycle
(C) OAA - Krebs cycle
(D) 3-Phosphoglyceric Acid - Glycolysis

(C) 400-700
400 – 700 = The range of wavelength (in nm) is called photosynthetically active radiation (PAR)

(A) Only A, B, C

Amino acid	R group
A. Glycine	i. Hydrogen
B. Alanine	ii. A methyl group
C. Serine	iii. Hydroxymethyl group