Que: Two identical circular loops of metal wire are lying on a table without touching each other. Loop A carries a current which increases with time. In response, the loop B

1. Remains stationary

2. Is attracted by the loop A

3. Is repelled by the loop A

4. Rotates about its centre of mass with centre of mass fixed

Que: Binary fission is a type of

1. Vegetation propagation
2. Asexual reproduction
3. Sexual reproduction
4. Nuclear fragmentation

Que: For the arrangement shown in figure, the magnetic induction at the centre C

1.

2.

3.

4.

Que: Which of these dehydrates most easily?

Que: This employs sexual reproduction

1. Amoeba
2. Euglena
3. Plasmodium
4. Sycon

Que: The secondary sex organ is

1. Testis
2. Breast
3. Beard
4. Vas deferens

Que: Charges q, 2q, 4q, 8q, ..... are placed along x-axis at r, 2r, 4r, 8r, ..... from origin respectively. The net electric field at origin is

1. Infinite

2.

3. 

4.

Que: Karyogamy is?

1. Fusion of two germ cells
2. Fusion of two gametic nuclei
3. Fusion of a somatic cell and a reproductive cell
4. Fusion of two somatic cells

Que: Find out wrongly matched pair

1. Tuber – Potato
2. Leaf buds – Banana
3. Offsets – Water Hyacinth
4. Rhizome – ginger

Que: Ginger is multiplied vegetatively by

1. Rhizome
2. Tube
3. Stem
4. Bud

Que: Flow of information during translation is?

1. mRNA →Protein
2. DNA → mRNA
3. mRNA →DNA
4. DNA → protein

Que: At iso-electric point:

1. conc. of cation is equal to conc of anion
2. The net charge is zero
3. Maximum conc. of di-polar ion (/zwitterion) will be present
4. All of the above

Que: Parthenogenesis is the development of new individual from

1. A single gamete without fertilization.
2. Fertilization of female gamete with female gamete
3. Fertilization of male gamete with male gamete.
4. Vegetative structure.

Que: Anemophily is pollination through

1. Water
2. Air
3. Insects
4. Worms

Que: At a certain place, horizontal component of earth’s field is times the vertical component of earth’s
field. The angle of dip at this place is

1. 30°

2. 45°

3. 60°

4. 90°

Que: A particle of charge q is coming from infinity along axis of a uniformly charged ring of radius R and charge Q. At a point x distance from centre of ring it experiences maximum force. Then x is equal to

1. R

2.

3. 0

4.

Que: Atoms in P₄ molecule of white phosphorus arranged regularly in the following way:

1. At the corners of a cube
2. At the corners of an octahedron
3. At the corners of a tetrahedron
4. At the center and corners of a tetrahedron

Que: Chalaza is

1. Space between integument and nucellus
2. Ridge formed by fusion of funicle with the body of the ovule
3. Place of origin of integuments
4. Place where nucellus communicates with the cavity of the ovary

Que: The catalyst used in the manufacture of ammonia by Haber's process is:

1. Pt
2. Fe
3. Mo
4. V₂O₅

Que: Identify from the following group of animals that exhibit oestrus cycle

1. Lion, deer, dog and cow
2. Cow, monkey, elephant and ape
3. Monkey, ape, man and elephant
4. Lion, dog, monkey and Spider

Que: Mechanism that causes a gene to move from one linkage group to another is called

1. Crossing over
2. Inversion
3. Duplication
4. Translocation

Que: DNA acts as a temple for the synthesis of

1. DNA
2. RNA
3. Both DNA and RNA
4. Protein

Que: Potatoes are cultivated by

1. Seeds
2. Foliar buds
3. Buds on tubers
4. Cuttings of roots

Que: Hermaphrodite animal is

1. Spider
2. Honey Bee
3. Ascaris
4. Leech

Que: Maximum life span of a dog in years is

1. 5
2. 10
3. 15
4. 20

Que: An uniform magnetic field B and a uniform electric field E act in a region. If a charge particle enters in this region then the charged particle may remain undeflected in the region

1.

2.

3.

4.

Que: A bar magnet of magnetic moment M and pole strength m is broken in two equal part along the magnetic axis. The magnetic moment and pole strength of each part are

1.

2.

3.

4. M, m

Que: Which of the following is not a colligative property?

1. Vapur pressure
2. Depression in f.pt.
3. Elevation in b.pt.
4. Osmotic pressure

Que: External/accessory/secondary sexual characters first appear in

1. Childhood
2. Puberty
3. Foetus
4. Adulthood

Que: A true fruit is the one in which the, fleshy part of the fruit is derived from

1. Thalamus
2. Ovary
3. Inflorescence axis
4. Apocarpous gynoecium

Que: A disease caused by an autosomal primary nondisjunction is

1. Down’s syndrome
2. Klinefelter's syndrome
3. Turners’s syndrome
4. Sickle cell anemia

Que: Luteal phase is the other name of

1. Follicular phase
2. Proliferative phase
3. Menstrual flow phase
4. Secretary phase

Que: In the face-centered cubic unit cell, the radius of atoms in terms of edge length (a) of unit cell is:

1. a/2
2. 
3. 
4. 

Que: At puberty women start producing

1. Sperms
2. Urine
3. Young ones
4. Ova

Que: Identify the amino acid obtained by hydrolysis of the below compound:

1. Glycine
2. Alanine
3. Both (a) and (b)
4. None of these

Que: Self pollination is transfer of pollen from anther to the stigma of

1. Same flower.
2. Same or different flower of the same plant.
3. Flowers of different plants.
4. Different flowers of the same plant.

Que: The enzyme taking part in joining two ends/fragments of DNA is

1. Ligase
2. Polymerase
3. Gyrase
4. Helicase

Que: Trisomy 18 is

1. Edward’s syndrome
2. Patau’s syndrome
3. Tuner’s syndrome
4. Klinefelter’s syndrome

Que: Which of the following amino acids has the lowest iso-electric point?

1. Glycine
2. Alanine
3. Aspartic acid
4. Lysine

Que: Among the given pairs, in which pair first compound reacts faster than second compound in S_n¹ reaction?:

Que: A Clitoris is related to penis

1. Analogous
2. Homologous
3. Nonfunctional part in females
4. Functional equivalent in females

Que: Match column I with column II and select the correct option from the given codes:

Column I                                            Column II

1. Parthenocarpy                                (i) Seed formation without fertilization
2. Polyembryony                                (ii) More than one embryo in same seed
3. Apomixis                                         (iii) Seedless fruits without fertilization
4. Somatic embryogenesis               (iv) Embryo develops from a somatic cells

1. A – (iv), B – (ii), C – (iii), D – (i)
2. A – (iii), B – (ii) , C – (i), D – (iv)
3. A – (i), B – (iv), C – (iii), D – (ii)
4. A – (ii), B – (iii), C – (i), D – (iv)

Que: The point at which funiculus touches the ovule is

1. Chalaza
2. Hilum
3. Raphe
4. Endothelium

Que: Two cells 6V, 1Ω and 4 volt, 2Ω are connected to form a closed loop. The current, which cannot flow through the loop is

1.

2.

3.

4. All of these

Que: The ratio of secondary to the primary turns in a transformer is 5 : 4. If the power output be P, then the input power neglecting all loses must be equal to

1. 1.25 P

2. 0.8 P

3. P

4. 1.44 P

Que: Natural parthenogenesis occurs in

1. Drosophila
2. Housefly
3. Honey Bee
4. All the above

Que: Identify product of below Fischer esterification reaction:

Que: A copper rod of length l is rotated about mid point of rod, perpendicular to the magnetic field B with
constant angular velocity ω. The induced emf between the two ends is

1.

2.

3.

4. Zero

Que: Seminiferous tubules open into

1. Epididymis
2. Vesa efferentia
3. Vasa deferentia
4. Rete testis

Que: In the body-centered cubic unit cell and simple cubic unit cell, the radius of atom in terms of edge length (a) of the unit cells is respectively:

Que: Aquatic weed which is popularly called “terror of Bengal” is

1. Erythroxylum
2. Eichhornia
3. Echinus
4. Echidna

Que: A conducting rod is moved with a constant velocity v in a magnetic field. A potential difference appears across the two ends

1.

2.

3.

4. None of these

Que: The degree of dissociation of an electrolyte is α and its van't Hoff factor is i. The number of ions obtained by complete dissociation of 1 molecule of the electrolyte is :

Que: An inducter L and a capacitor C are connected in the circuit as shown in the figure. The frequency of power suppy is equal to the resonant frequency of the circuit. Which ammeter will read zero?

1. A₁

2. A₂

3. A₃

4. None of there

Que: Fusion of one male gamete with egg and other of the same pollen tube with two polar nuclei is

1. Triple fusion
2. Vegetative fertilization
3. Double fertilization
4. Parthenogenesis

Que: A thin wire carrying current i is placed along positive z-axis. The unit vector of magnetic field at a point (a, a, 0) is

1.

2.

3.

4.

Que:

Que: If galvanometer shows null deflection in the given figure then the value of Y is

1. 100Ω

2. 200Ω

3. 300Ω

4. 400Ω

Que: Menstrual cycle is controlled by

1. Estrogen and progesterone of ovary
2. FSH and LH of pituitary
3. Both A and B
4. FSH of pituitary

Que: The stability of dihalides of Si, Ge, Sn, and Pb increases steadily in the sequence:

1. PbX₂ < SnX₂ < GeX₂ < SiX₂
2. GeX₂ < SiX₂ < < SnX₂ < PbX₂
3. SiX₂ < GeX₂ < PbX₂ < SnX₂
4. SiX₂ < GeX₂ <  SnX₂ < PbX₂

Que: Hargobind Khorana was awarded Nobel prize for

1. Deciphering genetic code
2. Artificial gene synthesis
3. Nucleotide sequence of tRNA
4. Discovery of transposons

Que: The temperature in the scrotum necessary for sperm formation should be

1. 2^oC above body temperature
2. 2^oC below body temperature
3. 4^oC above body temperature
4. 4^oC below body temperature

Que: Menstrual cycle is generally of

1. 21 days
2. 28 days
3. 30 days
4. 40 days

Que: The fraction of volume occupied by atoms in a primitive cubic unit cell is nearly:

1. 0.48
2. 0.52
3. 0.55
4. 0.68

Que: What is the major product of the following reaction?

Que: Okazaki segments are formed during

1. Transduction
2. Transcription
3. Replication
4. Translation

Que: Endosperm is generally

1. Diploid
2. Haploid
3. Triploid
4. Polyploid

Que: Assuming complete ionization, the solution having a maximum freezing point will be:

1. 1 M CaF₂
2. 1.5 M (Al₂SO₄)₃
3. 2 M NaCl
4. 1 M AgNO₃

Que: Menstrual cycle occurs in

1. Female primates
2. Human females
3. Mammalian females
4. Rabbit

Que: Puberty occurs in females at the age of

1. 8-10 years
2. 11-14 years
3. 15-17 years
4. 18-20 years

Que: Vegetative propagation through budding occurs in

1. Rose
2. Agave
3. Yeast
4. Ginger

Que: Accessory sex character is

1. Beard
2. Breast
3. Moustaches
4. All the above

Que: The materials suitable for making electromagnets should have

1. High retentivity and high coercivity

2. High retentivity and low coercivity

3. Low retentivity and high coercivity

4. Low retentivity and low coercivity

Que: Phosphine acetylene and ammonia can be formed by treating water with:

1. Mg₃P₂, Al₄C₃, Li₃N
2. Ca₃P₂, CaC₂, Mg₃N₂
3. Ca₃P2, CaC₂, CaCN₂
4. Ca₃P₂, Mg₂C, NH₄NO₃

Que: First menstrual cycle is

1. Parturition
2. Menopause
3. Menarche
4. Implantation

Que: Select the incorrect statement regarding Gauss's theorem

1. Gauss's theorem is true for any closed surface

2. Gauss's theorem is based on the inverse square dependence on distance contained in the Coulomb's
law

3. Gaussian surface can pass through a continuous charge distribution

4. For a closed surface where q_{free  is free charge inside surface}

Que: A point charge q and a dipole of dipole moment is placed as shown in the figure. The force acting
on the dipole due to charge q is

1. Rightward

2. Upward

3. Leftward

4. Downward

Que: Two point charges q and 4q are located at a distance 2a apart. A charge Q is placed along the line joining them as shown in figure so that force on this becomes zero. The distance between charges q and Q is

1.

2.

3.  

4.

Que: Reproduction which does not involve gametic union is

1. Parasexual reproduction.
2. Apomixes
3. Parthenogenesis
4. Agamospermy

Que: What is the major product of the following reaction?

Que: A wire has resistance 16Ω . It is bent in the form of an equilateral triangle. The effective resistance
between the two points on any median of the triangle is

1. 16Ω

2. 8Ω

3. 4Ω

4. 32Ω

Que: The dimension of the quantity is

1.

2.

3.

4.

Que: Name the enzyme that facilitates the opening of DNA helix during transcription.

1. DNA helicase
2. DNA polymerase
3. RNA polymerase
4. DNA ligase

Que: Number of sperms present in a single ejaculation of semen contains

1. 10,000
2. 100,000 – 1000,000
3. 30 – 40 million
4. 300 – 400 million

Que: The primary sex organ is

1. Ovary / Testis
2. Uterus/Seminal Vesicle
3. Breast/Beard
4. Spermatic cord

Que: If two liquids A  and B which is completely immiscible with each other, each one will behave independently of the other are present in a closed vessel. The total pressure of the system will be:

1. less than 100 torr
2. greater than 200 torr
3. between 100 to 200 torr
4. 300 torr

Que: First successful animal clone was

1. Dolly got
2. Dolly sheep
3. Molly goat
4. Molly sheep

Que: Progesterone is secreted by

1. Corpus luteum
2. Corpus albicans
3. Leydig cells
4. Graafian cells

Que: Pollination is

1. Shedding of pollen from anthers
2. Similar to fertilization of animals
3. Transfer of pollen from anthers to stigmas
4. Transfer of pollen from anthers to ovules

Que: Menopause occurs in females to the age of

1. 55-60 years
2. 50-55 years
3. 45-50 years
4. 37-42 years