For assimilation of one CO₂ molecule, the enerrgy required in from of ATP and NADPH₂ are

For the synthesis of one glucose molecule the Calvin cycle operates for

Which is the first CO₂ acceptor enzyme in C₄ plants?

The first step for initiation of photosynthesis will be

If the apical bud has been removed then we observe

By which action a seed coat becomes permeable to water

Which hormone is responsible for fruit ripening?

Differennce between pulmonary artery and pulmonary vein is that, the pulmonary artery has

In which point, pulmonary artery is different from pulmonary vein?

Which statement is true for WBC?

Concentration of urine depends upon which organ?

Conversion of ammonia to urea is done by

Sternum is connected to ribs by

What is the name of joint between ribs and sternum?

Bone related with skull is

Depolarization of axolema during nerve conduction takes place because of

What is true for mammalia?

Black rust of wheat is caused by

A student observed an algae with chlorophyll a, b and phycoerythrin, it should belong to

In ferns, meiosio takes place at the time of

Plant group with largest ovule, largest tree, and largest gametes is

Cleavage in mammals is

Which of the following animals have scattered cells with cell - tissue grade organisation?

Similarly in Ascaris lumbricoides and Anopheles stephensi is

What happens if bone of frog is kept in dilute hydrochloric acid?

Which of the following characters is absent in all chordates?

Melatonin is secreted by

Pneumatophores are found in

Hair found in the inflorescence of Zea mays are the modification of

Geocarpic fruits is

Role of enzyme in reactions is to/as

Which factor is responsible for inhibition of enzymatic process during feedback?

Enzymes are not found in

ATP is

Which of the following have carbohydrate as prosthetic group?

Spindle fibre unite with which structure of chromosomes?

In which stage of cell cycle, DNA replication occurs?

Viable material of endangered species can be preserved by :

Which is the most important factor for continuity of a species from evolutionary point of view ?

Which disease of man is similar with cattle's, bovine spongyform encephalopathy ?

Which is showing accurate pairing ?

Saline solution is given to patients of Cholera because

Which aquatic fern is used to increase the yield in paddy crop ?

Which of the following is used to manufacture ethanol from starch ?

The bacteria generally used for genetic engineering is :

Plasmid has been used as vector because :

Which is the reason for highest biomass in aquatic ecosystem ?

Who is directly related to man ?

Indri-indri lemur is found in :

What happens in plants during vascularisation ?

Characteristic of simple epithelium is that they

Proteoglycan in cartilages which is part of polysaccharide is

Which pair is correct ?

Primary function of enteronephric nephridia of Pheretima :

Which of the following ribosomes are engaged in protein synthesis in animal cell ?

Lysosome contains :

Function of telomeres in nucleus is

Which cell organelle is concerned with glycosylation of protein ?

In Drosophila the XXY condition leads to femaleness whereas in human beings the same condition leads to Klienfelter's syndrome in male. It proves :

Which gland secretes odorous secretion in mammals?

MSH is secreted by

Eight nucleated embryo sac is

Endosperm is formed during the double fertilization by

Blastopore is the pore of :

What is the work of progesteron which is present in oral contraceptive pills :

What is the work of copper T :

According to mendelism which character is showing dominance ?

Due to the cross between TTRr × ttrr the resultant progenies showed how many percent plants tall, red flowered :

Mongolian idiots are due to trisomy in 21^st chromosome is called :

Erythroblastosis foetalis is caused when :

Which of the following is initiation codon ?

Method of DNA replication in which two strands of DNA separates and synthesize new strands

Anticodon occurs in :

Length of one loop of B- DNA :

In three dimensional view the molecule of t-RNA is :

Similarity in DNA and RNA :

Which is not a vestigial organ in man ?

Character which is closely related to human evolution

Which evidence of evolution related to Darwin's finches ?

Homo sapiens have evolved in

Shape of Fe(CO)₅ is

Which complex compound will give four isomers?

A 300 grams radioactive sample at initial half life is 3 hours. After 18 hours remaining quantity

In quantitative analysis of second group in laboratory, H₂S gas is passed in acidic medium for precipitation. When Cu²⁺ react with KCN, then for product, true statement is

First product of the reaction between RCHO and NH₂NH₂ is

Reduction by LiAlH₄ of hydrolysed product of an ester gives

Benzoic acid may be converted into ethyl benzoate by reaction with :

Polarisation in acrolein can be described as

then A is

$$\alpha $$ -$$D$$-glucose and $$\beta $$-$$D$$-glucose are

Mg is present in

Which one is responsible for production of energy in bio-reaction?

2-Butene shows geometrical isomerism due to

From the colligative properties of solution, which one is the best method for the determination of molecular weight of proteins and polymers?

Equivalent conductances of Ba²⁺ and Cl^$$-$$ ions are 127 and 76 ohm^$$-$$1 cm^$$-$$1 eq^$$-$$1 respectively. Equivalent conductance of BaCl₂ at infinite dilution is

For the disproportionation of copper
2Cu⁺  $$ \to $$ Cu²⁺ + Cu, E^o is
(Given E^o for Cu²⁺/Cu is 0.34 V and
E^o for Cu²⁺/Cu⁺ is 0.15 V.)

How enzymes increases the rate of reactions

For the reaction H⁺ + BrO$$_3^ - $$ + 3Br^$$-$$ $$ \to $$ 5Br₂ + H₂O
which of the following relation correctly represents the consumption and formation of products.

Which compound is electron deficient?

Which compound has planar structure?

Which ion is colourless?

Which of the following shows maximum number of oxidation states?

2Zn + O₂ $$ \to $$ 2ZnO;  $$\Delta $$G^o = $$-$$ 616 J
2Zn + S₂ $$ \to $$ 2ZnS;  $$\Delta $$G^o = $$-$$ 293 J
S₂ + 2O₂ $$ \to $$ 2SO₂;   $$\Delta $$G^o = $$-$$408 J
$$\Delta $$G^o for the following reaction
2ZnS + 3O₂ $$ \to $$  2ZnO + 2SO₂ is

Volume of CO₂ obtained by the complete decomposition of 9.85 g of BaCO₃ is

Oxidation numbers of A, B, C are + 2, +5 and $$-$$2 respectively. Possible formula of compound is

For given energy, E = 3.03 $$ \times $$ 10^$$-$$19 Joules corresponding wavelength is (h = 6.626 $$ \times $$ 10^$$-$$34 J sec, c = 3 $$ \times $$ 10⁸ m/sec)

Isoelectronic species are

Which statement is wrong ?

d$$\pi $$ $$-$$ p$$\pi $$ bond present in

Which species does not exhibit paramagnetism?

Right order of dissociation energy N₂ and N₂⁺ is

Cell reaction is spontaneous when

The entropy change in the fusion of one mole of a solid melting at 27^oC (latent heat of fusion is 2930 J mol^–1) is :

For the reaction,
C₂H₅OH_(l) + 3O_2(g) $$ \to $$ 2CO_2(g) + 3H₂O_(l)
which one is true

Conjugate acid of NH₂^$$-$$ is

Which statement is wrong about pH and H⁺?

For any reversible reaction, if we increase concentration of the reactants, then effect on equilibrium constant

Equilibrium constant K_p for following reaction
MgCO_3(s) $$\rightleftharpoons$$ MgO_(s) + CO_2(g)

Which reagent converts propene to 1-propanol ?

Which is maximum stable?

In Friedel-Crafts reaction , toluene can be prepared by

Increasing order of electrophilic substitution for following compounds

Dihedral angle in staggered form of ethane is

A tall man of height 6 feet, want to see his full image. Then required minimum length of the mirror will be

A charge Q is situated at the corner of a cube, the electric flux passed through all the six faces of the cube is

A capacitor is charged with a battery and energy stored is U. After disconnecting battery another capacitor of same capacity is connected in parallel to the first capacitor. Then energy stored in each capacitor is

The net resistance of the circuit between A and B is

A car battery of emf 12 V and internal resistance $$5 \times {10^{ - 2}}$$ $$\Omega $$., receives a current of 60 amp, from external source, then terminal potential difference of battery is

Two bulbs of (40 W, 200 V), and (100 W, 200 V). Then correct relation for their resistances

The potentiometer is best for measuring voltage, as

The magnetic field at centre, P will be

The frequency order for $$\gamma $$-rays (a), X-rays (b), UV rays (c) is

A bubble in glass slab ($$\mu $$ = 1.5) when viewed from one side appears at 5 cm and 2 cm from other side, then thickness of slab is

Rainbow is formed due to

For a plano convex lens ($$\mu $$ = 1.5) has radius of curvature 10 cm. It is silvered on its plane surface. Find focal length after silvering

Electric field at centre O of semicircle of radius $$a$$ having linear charge density $$\lambda $$ given as

By photoelectric effect, Einstein proved

Who evaluated the mass of electron infirectly with help of charge

Nuclear fission is best explained by

When an electron does transition from n = 4 to n = 2, then emitted line spectrum will be

Maximum frequency of emission is obtained for the transition

The cations and anions are arranged in alternate form in

From the following diode circuit, which diode is in forward biased condition

For a planet having mass equal to mass of the earth but radius is one fourth of radius of the earth. Then escape velocity for this planet will be

Motion of a particle is given by equation s = (3t³ + 7t² + 14t + 8) m. The value of acceleration of the particle at t = 1 sec is

The width of river is 1 km. The velocity of boat is 5 km/hr. The boat covered the width of river in shortest time 15 min. Then the velocity of river stream is

Two projectiles of same mass and with same velocity are thrown at an angle 60^o and 30^o with the horizontal, then which will remain same

A man is slipping on a frictionless inclined plane and a bag falls down from the same height. Then the velocity of both is related as

A body of mass 3 kg hits a wall at an angle of 60^o and returns at the same angle. The impact time was 0.2 sec. The force exerted on the wall

Two masses as shown in the figure are suspended from a massless pulley. The acceleration of the system when masses are left free is

If $$\overrightarrow F = \left( {60\widehat i + 15\widehat j - 3\widehat k} \right)$$ N and $$\overrightarrow v = \left( {2\widehat i - 4\widehat j + 5\widehat k} \right)$$ m/s, then instantaneous power is

A mass of 1 kg is thrown up with a velocity of 100 m/s. After 5 seconds, it explodes into two parts. One part of mass 400 g comes down with a velocity 25 m/s. The velocity of other part is (Take g = 10 ms^$$-$$2)

For the adjoining diagram, the correct relation between I₁, I₂, and I₃ is, (I-moment of inertia)

For a hollow cylinder and a solid cylinder rolling without slipping on an inclined plane, then which of these reaches earlier

As shown in the figure at point O a mass is performing vertical circular motion. The average velocity of the particle is increased, then at which point will the string break

Gravitational force is required for

A body of weight 72 N moves from the surface of earth at a height half of the radius of earth, then gravitational force exerted on it will be

A black body has maximum wavelength $$\lambda $$_m at 2000 K. Its corresponding wavelength at 3000 K will be

To find out degree of freedom, the expansion is

The (W/Q) of a Carnot engine is 1/6, now the temperature of sink is reduced by 62^oC, then this ratio becomes twice, therefore the initial temperature of the sink and source are respectively

Two masses $$M$$_A and $$M$$_B are hung from two strings of length $$l$$_A and $$l$$_B respectively. They are executing SHM with frequency relation $$f$$_A = 2$$f$$_B, then relation

The bob of simple pendulum having length $$l$$, is displaced from mean position to an angular position q with respect to vertical. If it is released, then velocity of bob at equilibrium position

The equations of two waves acting in perpendicular directions are given as
x = $$a$$cos($$\omega $$t +$$\delta $$) and y = $$a$$cos($$\omega $$t + $$\alpha $$), where $$\delta $$ = $$\alpha $$ + $${\pi \over 2}$$, the resultant wave represents

A string is cut into three parts, having fundamental frequencies n₁, n₂, n₃ respectively. Then original fundamental frequency n related by the expression as

Which pair do not have equal dimensions ?