NEET SECTION - A [ZOOLOGY - MCQ]

(B) A, B, D
A. Photoperiod affects reproduction in seasonal breeders, both plants and animals
B. No non living object exhibit metabolism
C. All living organism exhibit metabolism
D. Properties of cellular organelles are not present in the molecular constituents of organelles

(B) Divided
The meaning of Greek word 'Meristos' - Divided

(B)

(1) Brassicaceae	-	Dicotyledonae
(2) Malvaceae	-	Dicotyledonae
(3) Poaceae	-	Monocotyledonae
(4) Compositae	-	Dicotyledonae

(C) Repressor protein
Repressor protein - the component that binds to the operator region of an operon and prevents RNA polymerase from transcribing the operon.

(A) A polypeptide of 24 amino acids will be formed.
if in a gene encoding a polypeptide of 50 amino acids, 25th codon (UAU) is mutated to UAA
(1) A polypeptide of 24 amino acids will be formed.

(D) All
(1) A translational unit is the sequence of RNA
(2) A transcription unit is the sequence of DNA
(3) A release factor is required for termination of translation

(A) A, C, D
For sexlinked recessive disease the possibility of male and female:
(A) Male may be diseased or normal
(C) Female may be carrier or normal
(D) Female may be diseased

(B) Alien species invasions
The Nile perch introduced into lake victoria in eastAfrica led eventually to the extinction of an ecologically unique assemblage of more than 200 species of cichlid fish in the lake.
The above given sentence explains Alien species invasions

(C) I, II, IV
(I) A- 5000 Jule, C- 5000 Jule
(II) A - 5000 Jule, B - 500 Jule, D - 500 Jule
(IV) B - 500 Jule, E - 50 Jule

(B) Only C,D

(A) Mango tree	-	Placed at first trophic level
(B) Human	-	Placed at more than one trophic level
(C) Fish	-	Placed at more than one trophic level
(D) Sparrow	-	Placed at more than one trophic level

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

A. Dry fruit	I. Groundnut
B. Fleshy fruit	II. Orange
C. False fruit	III. Strawberry
D. Parthenocarpic fruit	IV. Banana

(A) Gene therapy
Gene therapy - The therapy was given in 1990 to a four year-old girl with adenosine deaminase (ADA) deficiency

(A) insulin
The first human hormone produced by recombinant DNA technology is insulin

(B) Agrobacterium tumifaciens
Agrobacterium tumefaciens is commonly used in transfer of foreign DNA into crop plants

(D) It remains active at high temperature.
The true statement regarding DNA polymerase used in PCR
(3) It is isolated from a Bacteria (Thermus aqueticus)
(4) It remains active at high temperature.

(A) Somaclones
Somaclones - tissue culture

(C) tumor inducing plasmid
The "Ti plasmid" of Agrobacterium tumefaciens stands for.
(1) tumor inhibiting plasmid tumor independent plasmid
(2) tumor independent plasmid
(3) tumor inducing plasmid

(D) (ii) and (iv)
Plasmid. Bacteriophaqe - Vector

(B) methane
In gobar gas, the maximum amount is that of methane

(B) Morphine is often given to persons, who have undergone surgery, as a pain killer.
Morphine is often given to persons, who have undergone surgery, as a pain killer.

(A) Magnetic resonance imaging (MRI)
The techniques is safest for the detection of cancers
(1) Magnetic resonance imaging (MRI)

(D) The causative HIV retrovirus enters helper Tlymphocytes thus reducing their numbers.
The statements is correct with respect to AIDS
(1) The HIV can be transmitted through blood together with an infected person.
(2) Drug addicts are more susceptible to HIV infection.
(3) AIDS patients are being temporary cured cent percent with proper care and nutrition.
(4) The causative HIV retrovirus enters helper Tlymphocytes thus reducing their numbers.

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

A. Filariasis	III. Wuchereria bancrofti
B. Amoebiasis	IV. Entamoeba histolytica
C. Pneumonia	I. Haemophilus influenzae
D. Ringworm	II. Trichophyton

(A) Agriculture came around 50,000 years back.
The statements is correct about the origin and evolution of men
(1) Agriculture came around 18,000 years back.
(2) The Dryopithecus and Ramapithecus primates existing 15 million years ago, walked like men.
(3) Homo habilis probably ate meat.
(4) Neanderthal men lived in Asia between 1,00,000 and 40,000 years back.

(B) lack of random mating
The tendency of population to remain in genetic equilibrium may be disturbed by lack of random mating

(A)

Convergent evolution	Divergent evolution
(1) Eye of octopus and mammals	Bones of forelimbs of vertebrates

(B)Tonoplast
In plants tonoplast facilitates the transport of a number of ions and other materials against concentration gradients into the vacuole, hence their concentration is significantly higher in the vacuole than in the cytoplasm

(D) Both Statement I and Statement II are correct

(B)

(1) Catla	-	Bony skeleton
(2) Cobra	-	Three chambered heart
(3) Frog	-	Cloaca
(4) Parrot	-	Pneumatic bone

(B) Statement I is correct but Statement II is incorrect

(B) Statement I is correct but Statement II is incorrect

(B)
(1) Horsetail and ferns - Pteridophytes
(2) Vascular tissue - Adiantum
(3) Sphagnum - Bisexual
(4) Phaeophyceae - Two unequal lateral flagella

(A) Both Statement I and Statement II are incorrect

(D) All
Skin, Lungs and Kidney are involved in Elimination of Excretory wastes in Human:

(D) Both 1 and 2
Sulphur or Sulphate are the oxidation product in green sulphur and purple sulphur bacteria:

(B) C , D
(A) Parasitic organism are present in Monera, Protista, Fungi, Plantae and Animalia
(B) Autotrophic organism are present in monera, Protista and plantae
(C) Eukaryotic organism are present in Protista, Plantae, Fungi and Animalia
(D) Flagellated and cilated organism present in Protista

(C)

(1) Nuclear membrane	Present	Present
(2) Body organisation	Cellular	Tissue/Organ
(3) Cell wall	present in some	Present
(4) Mode of Nutrition	Autotrophic and Heterotrophic	Autotrophic

(C)
Telophase - Nuclear envelope reforms, Golgi complex reforms.

(A) twice the number of chromosomes and four times the amount of DNA
A somatic cell that has just completed the S phase of its cell cycle, as compared to gamete of the same species, has
(1) twice the number of chromosomes and four times the amount of DNA