The Physical quantity for which magnitude and direction remains constant in uniform circular motion is

The Tension In the string revolving in a vertical circle with a mass m at the end which is at lowest position

A body has MI as I about its axis , if its radius of gyration is increased by 5%. MI will change by

A satellite of mass m revolves around the earth with a velocity v, the total energy of satellite is

The radius of gyration of a body is independent of

The length of a simple pendulum increases by 1%, time period is affected as

The period of Oscillation of simple pendulum in the experiment is recorded as 2.63s,2.56s,2.42s,2.71s and 2.80s respectively. The average absolute error is

In a perfectly rigid rod the speed of sound is

The distance travelled by light in glass (refractive index=1.5) in a nanosecond will be

The number of electric lines of force passing normally through unit area is called

The turn ratio of a transformer is given as 2:3. If the current through the primary coil is 3A,thus calculate the current through load resistance

Wheatstone bridge is most sensitive when the resistance of all four arms are

Which one is ferromagnetic substance?

What will be the height of image when an opied of 2mm is placed on the axis of a concave mirror of a distance 20cm of radius of curvature 40cm?

de-Broglie wavelength λ is

For a transistor is common base configuration if β is 100, the value of current gain is

In p-n junction region depletion layer is caused by

250ml of 0.1N solution Of HCL contains

1 L oxygen gas at STP will weigh

The rate constant of zero order reaction has the units

Which of the following method is not used for the concentration of bauxite ore ?

The radioactive element belonging to group 16 is

Which of the following has abnormally low value of third ionisation enthalpy?

Permono Sulphuric acid is known as

The non protein portion of  a protein is called

How many isomers are possible in [Co(en)2Cl2] ?

Which of the following disaccharide is present in milk?

The formation of aldehyde from alkyl cyanide is related with name

What is the function of trace elements which
occur in protoplasm

Inside of cell as compared to outside have –

Which element is located at the center of
the porphyrin ring in chlorophyll –

Which is odd-

Cholesterol is synthesized in –

Gaucher’s disease is concerned with which
of the following –

Sugar which found in haemolymph of
insects is called-

In which form, food stored in animal body

For body growth and repair one needs-

Translocation of sugars in flowering plants
occurs in the form of –

True statement for cellulose molecule –

If genetic code is tetraplet then what is the
possible number of codons which code 20
types of amino acids –

The equation of tangents to the ellipse
Which of the following nitrogen base is not
found in DNA –

The eccentricity of the conic represented by
If there are 10,000 base pairs in DNA, then
its length –

DNA differs from RNA in –

Khorana & his colleugeous synthesized an
RNA molecule with repeating sequences of
UG N2 bases, The RNA with ”UGU GUG
UGU GUG” produced a tetra peptide with
alternating sequences of cystein and valine.
This prove that codon for cystein & valine is

Foliage leaves of Pinus are borne on :

Sclerenchymatous hypodermis in Pinus needle helps in

What causes sulphur clouds in spring season of temperate climate :

‘Naked seed’ of gymnosperm means: –

Female cone is absent in which gymnosperm :

The leaves of Cycas are :

Largest ovule is found in :

Which one is a living fossil :

The number of megaspores in Selaginella rupestris is:

Which structure is developed from the microspore of the selaginella

Which species of the selaginella are known as “Resurrection plants”

Selaginella differs from Pteris in which of the following character

Study of secondary infection is called

Bordeaux mixture is the first fungicide, is discovered by

In what form of the food is stored in the mycelium of Albugo

The gametes of Albugo are

Mucor is –

Dung-mold is –

Which of the following environmental conditions are essential for the optimum growth of Mucor on a piece of bread?        [CBSE 2006]

1. a]The temperature of an about 25ºC
2. b]The temperature of about 5ºC
3. c]Relative humidity of about 5%
4. d]Relative humidity of about 95%
5. e]A shady place
6. f]A brightly illuminated place

The relationship between Lophomonas and wood cockroach is of

Conjugation in Paramecium is by

Silica shells may or may not occur in one of the following

Holophytic nutrition is found in one of the following

Pick the odd pair out

Reproduction in Paramoecium is controlled by

Trypanosoma gambiens is found parasitic on the human body in

Term “Vertebrate and invertebrate” are given by

Which of the sponge part corresponds to the mouth of other animals

Sponges are

Which animal has been placed in the wrong habitat

In the members of class scyphozoa

The mature proglottids having fertilized eggs in uterus of tapeworm are regularly detached. This process is known as

The first derivative of the function

The free living plathyhelminthes belongs to

Planaria also known as

In plants, during embryonic condition –

Which of the following plants grow by a single “apical cell” –

Maximum growth in root occurs –

Collenchyma differs from sclerenchyma in –

“Patua” is obtained from Hibiscus sabdariffa  is

Thickening in collenchyma occurs the due to deposition of

Presence of vessels in plant is

When a meristematic tissue “Cambium” is present inside a vascular bundle, the bundle is said to be –

The hypodermis present in maize stem is –

The protective layer found at the site of abscission is –

Which would do maximum harm to a tree –

Study of wood is called –

Which is not correct about heartwood

Ring bark occurs in –

Stomata are absent in the epidermis of

In ancient times ‘Bhojpatra’ was utilized for writing scripts, it is morphologically a

Which of the following mammalian tissues is associated with filteration and diffusion ?

Pavement epithelium is the name of –

Stratified squamous non-keratinised epithelium is present in the lining of

Pseudostratified epithelium is present in –

Cells of peritoneum comprise –

Epithelial lining of cornea is composed of

Mesothelium is

Mucus cells (Goblet cells )

Cutaneous gland of frog are

Sweat gland of human being are originated from

Sprain is caused by

The bone matrix consists of

Old RBCs are destroyed in ’tissue macrophage system’. In the breakdown of haemoglobin bilirubin is formed from   

Femur & Humerus are

Plasma cell is

Hb F (foetal Hb) has chain

Smallest blood cells

Which plasma protein helps in clotting  

Thromboplastin is secreted by  

Megakaryocyte cell is

During refractory period

Which cell-organellae absent in neurons

Cerebellum is concerned with –

Which one of the following menix is present only in mammalian brain –

In brain of crura cerebri is a structure  made of –

The gray matter from white matter in the –