NEET SECTION - A [ZOOLOGY - MCQ]

(A) Fibrous protein
Collagen is Fibrous protein

(D) Poaceae - Vexillary aestivation

Compositae	-	Basal placentation
Brassicaceae	-	Parietal placentation
Malvaceae	-	Basal placentation
Fabaceae	-	Vexillary aestivation

(B) Meiosis I
Terminalization, recombinase, crossing over, these are related with Meios

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

A. UAU	IV. Tyrosine
B. CAU	III. Histidine
C. CGU	I. Arginine
D. GCC	II. Alanine

(B) Nucleus
In eukaryotic cell transcription, RNA splicing and RNA capping take place inside the Nucleus

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

(A) 1869	I. Friedrich meischer
(B) 1953	II. Watson and crick
(C) 1928	III. Griffith
(D) 1952	IV. Hershey and chase

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

A.	II. Male
B.	I. Female
C.	III. Sex unspecified
D.	IV. Consanguineous mating

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

A. Turner syndrome	II. 45
B. Down syndrome	I. 47
C. Male honey bee	IV. 16
D. Female honey bee	III. 32

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

A. RRYY	I. Round Yellow
B. Rryy	II. Round green
C. rryy	III. Wrinkled green
D. rrYY	IV. Wrinkled yellow

(D) onohybrid genotypic  ratio- 1 : 3 : 1
(1) Monohybrid Testcross - 1 : 1
(2) Incomplete dominance - 1 : 2 : 1
(3) Dihybrid test cross - 1 : 1 : 1 : 1
(4) Monohybrid genotypic  ratio- 1 : 2 : 1 

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

A. Multiload 375	III. IUD
B. Vasectomy	II. Sterilisation
C. Sahel	I. Pill

(D) All
The correct statement for human
(1) The average duration of human pregnancy is about 9 months.
(2) The stimulatory reflex between the uterine contraction and oxytocin secretion continues resulting in stronger and stronger contraction
(3) Scientifically it is correct to say that the sex of the baby is determined by the father and not by the mother

(D) All
(1) Polar body and sperm are haploid
(2) Morula and blastocyst are a type of embryo
(3) Relaxin is secreted from ovary and placenta

(B) Tissue culture method
Tissue culture method - Ex situ conservation

(A) Lesser inter - specific competition
More inter - specific competition is observed in biodiversity hotspots

(A) Trophic level
Based on the source of their nutrition or food, organisms occupy a specific place in the food chain that is known as their Trophic level

(D) All
The following are important for healthy ecosystem:
(a) Producer
(b) Herbivores
(c) Carnivores
(d) Decomposer

(D) Both Statement I and Statement II are correct
Statement I :
For protection from predators plants have evolved an astonishing variety of morophlogical and chemical defences against herbivores.
Statement II :
Bird is predator of monarch butterfly

(D) High percentage of young individuals
The age pyramid with broad base indicates
(4) High percentage of young individuals

(A) Ecology
Study of inter - relationships between organisms and their environment is Ecology

(D) All
Transgenic animals- Rabbits, Pigs, Mice

(D) high yield and resistance to bollworms
Some of the characteristics of Bt cotton are
high yield and resistance to bollworms

(C) Chitinase
Fungal cell wall digestion - Chitinase

(A) A, B, C
Select the correct statement for outbreeding devices
A. In some species, pollen release and stigma receptivity are not synchronised.
B. In some species, the anther and stigma are placed at different positions so that the pollen can not come in contact with the stigma of the same flower.
C. Continued cross-pollination result in inbreeding depression.
D. In dioecious plant both autogamy and geitonogamy prevents.

(A) All
The symptom of common cold are
(a) Nasal congestion
(b) Sore throat
(c) Hoarseness
(d) Cough
(e) Headache

(C) Mesozoic
Dinosaurs dominated the world in Mesozoic era

(C) Only a
Select the correct statements for pollination
a. Pollinating agents are air, water and animals.
b. Pollination by wind is more common amongst abiotic pollination.
c. Not all aquatic plants use water for pollination.
d. Among animals insects and other animals are pollinating agent

(C) Oenothera lamarckiana → Evening primrose
De Vries gave his mutation theory on organic evolution while working on Oenothera lamarckiana or evening primrose

(C) Trimerous - The floral appendages are in multiple of 5

Swollen leaf base	-	Pulvinus
Lamina	-	Green expanded part of leaf
Trimerous	-	The floral appendages are in multiple of 5
Rachis	-	Represents the midrib of the leaf

(D) Both Statement I and Statement II are correct
Statement I :
Starfish is marine animal.
Statement II :
Dog fish is marine animal.

(C) Statement I is incorrect but Statement II is correct
Statement I :
Water vascular system is not character of sea fan.
Statement II :
Water canal system is character of Bath sponge.

(D) Only A, B
the correct statements for algae
A. Starch, Mannitol and laminarin are a type of stored food
B. Fucoxanthin and phycoerythrin are a type of pigment
C. Flagellated gametes present in chlorophyceae and non flagellated gametesrhodophyceae
D. Chlorophyll 'a' is present all classes of algae

(C) Limbic system & hypothalamus
Limbic system & hypothalamus -The parts of human brain that helps in regulation of sexual behaviour, expression of excitement, pleasure, rage, fear etc.

(B) Statement I is correct but Statement II is incorrect
Statement I :
Many bony fishes are ammonotelic while mammals are ureotelic.
Statement II :
Reptiles, birds and land snail are uricotelic.

(D) Both Statement I and Statement II are correct
Statement I :

Statement II :

(B) Gibberellic acid
Dwarfness can be controlled by treating the plant with Gibberellic acid

(C) Emphysema
Emphysema - the chronic respiratory disorder caused mainly by cigarette smoking

(A) 

Cholera	-	A type of disease
Mycorrhiza	-	A type of symbiotic association
Lichen	-	A type of symbiotic association
BSE	-	A type of disease

(B) NADH
NADH is not a product of light reaction of photosynthesis

(C) Splitting of centromere
Separation of homologous chromosome - Anaphase-I

(B) Ribozyme
non - proteinaceous enzyme - Ribozyme
Ribozyme - RNA

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

A. Glycine	I. Amino acid
B. Triglyceride	II. Lipids
C. Uridine	III. Nucleoside
D. Inulin	IV. Carbohydrate