Q1.
What is present instead of thymine in RNA?
📅1998
Q2.
1 A book lying on the table remains there till eternity. This is :
📅1998
Q3.
1 A man weighing 70 kg carries a weight of 10 kg to the top of tower 100 metres high. The work done is :
📅1998
Q4.
Water makes a glass wet because the force of cohesion between two molecules of water is ... the force of adhesion between a molecule of water & a molecule of glass :
📅1998
Q5.
5. If two resistance of values 4.5 ohms & 5.5 ohms respectively are connected in a series & a third resistance of 10 ohms is connected in parallel with both, the total resistance of the system is :
📅1998
Q6.
The phenomenon of acquiring temporary electrification under the influence of a charged body is called
📅1998
Q7.
The time taken by a mass projected vertically upwards to reach the maximum height with air resistance not neglected is 10 sec. The time of fall from the same height will be :
📅1998
Q8.
Rocket launched with the escape velocity follows the path
📅1998
Q9.
If two masses of 4 kg & 16 kg are moving with equal kinetic energy. What will be the ratio of their momentum
📅1998
Q10.
A rotating disc has…….Kinetic energy, if mass is M & velocity is V
📅1998
Q11.
The rate of loss of heat from a hot body depends on the
📅1998
Q12.
All gas at same temperature has same
📅1998
Q13.
RMS velocity of gas molecule is directly proportional to
📅1998
Q14.
A man stands on top of a cliff and shouts. He hears the echo on the third clap when he claps his hand at the rate of two claps per second. What is the distance between man & the obstruction, if the velocity of sound is 320 m/s
📅1998
Q15.
An ant moves towards the plane mirror with speed of 2ms-1 & the mirror is moved towards the ant with the same speed. What is the relative velocity between the ant and its image?
📅1998
Q16.
Diamond shines brightly in air than inside water because
📅1998
Q17.
A beam of light is passed through two parallelly placed tourmaline plates. Now when one of the plate is rotated, brightness is changed due to
📅1998
Q18.
Ice, water and saturated water vapour are mixed and kept at a temperature of 0.01°C and 4.58 mm of Hg. What will happen?
📅1998
Q19.
Molar heat capacity at constant volume for a di-atomic gas is:
📅1998
Q20.
The diameter of a nichrome wire is reduced to half. Now the resistance changes by
📅1998
Q21.
If Young's experiment is performed inside water, the fringe width will
📅1998
Q22.
If V be the orbital velocity of a satellite then its escape velocity is
📅1998
Q23.
What were the fissionable materials used in the atomic bomb dropped in Nagasaki and Hiroshima?
📅1998
Q24.
The wave nature of matter is our daily observations because the magnitude not apparent to of the associated wavelength of the object is
📅1998
Q25.
Barrier potential difference is the potential difference across :
📅1998
Q26.
Which of the following radiation of same intensity gives maximum photocurrent?
📅1998
Q27.
A blue colour is obtained when a copper wire is immersed in silver nitrate solution. It is due to the formation of :
📅1998
Q28.
50 ml of HCI solution reacts completely with 10 gms of pure CaCO3. The normality of HCl solution is :
📅1998
Q29.
The migration of dispersion medium under the influence of electric current is known as:
📅1998
Q30.
Sodium reacts more vigorously with water than lithium because sodium is :
📅1998
Q31.
The efficiency of an enzyme in catalysing a reaction is due to its capacity to
📅1998
Q32.
A sample of Na_2 CO_3 H2O weighing 0.62 gm is added to 100 ml of 0.1 N H_2 SO_4 solutions. The resulting solution would be:
📅1998
Q33.
Bleaching powder is prepared by action of chlorine on :
📅1998
Q34.
Given colourless liquid will be determined whether it is water or not by:
📅1998
Q35.
Aqueous solution of ferric chloride is :
📅1998
Q36.
Methyl orange indicator works within the pH …
📅1998
Q37.
To a solution of PH = 0, 100 ml of pure water is added, then the mixture will be:
📅1998
Q38.
The concentrated H_2 SO_4 is used extensively to prepare other acids because concentrated H_2 SO_4
📅1998
Q39.
Which of the following will not change the PH on addition of drops of acid or alkali ?
📅1998
Q40.
For the detection of sulphur in organic compound sodium nitroprusside is added to sodium extract. A violet colour is obtained due to formation of
📅1998
Q41.
. The process of transformation of an optically active isomer into optically inactive isomer is known as:
📅1998
Q42.
Molecular weight of acetic acid is 60. But when determined, it is found 120, because:
📅1998
Q43.
Which of the following is an optically active compound?
📅1998
Q44.
TUPAC name of the compound formula (CH3)3C-CH = CH2 is:
📅1998
Q45.
An alkyl halide can be converted into alcohol by:
📅1998
Q46.
Alkynes are generally less reactive than alkenes towards:
📅1998
Q47.
When ethyl alcohol is treated with acidified potassium dichromate it forms acetaldehyde. It is an example of:
📅1998
Q48.
Reaction between alcohol and carboxylic acid is known as:
📅1998
Q49.
The latest technique used for the purification of organic compound containing minute quantities is:
📅1998
Q50.
Spiders web are webbed from the
📅1998
Q51.
Pharyngeal nephridia are found around the
📅1998
Q52.
In coronary system, blood clot is dissolved by
📅Fibrinolysin•a proteolytic enzyme, formed in the blood from plasminogen, that causes the breakdown of the fibrin in blood clots.
Q53.
A curly haired mother and straight haired father give birth to 8 children. The ratio of the curly haired to the straight haired children is
📅1998
Q54.
Which one is least soluble in water ?
📅1998
Q55.
Nitration takes place best in:
📅1998
Q56.
Tectorial membrane is present in:
📅1998
Q57.
Glisson's capsules are found in
📅1998
Q58.
Schneiderian membrane is found in
📅1998
Q59.
Green glands are found in
📅1998
Q60.
Excretory product in terrestrial insects is:
📅1998
Q61.
Green glands are :
📅1998
Q62.
Kidney of adult rabbit is :
📅1998
Q63.
The inoculation of Trypanosoma gambiense into the blood of vertebrate host is through bite of :
📅1998
Q64.
The process of reconstitution of macronucleus in paramecium without any change in micronucleus is called:
📅1998
Q65.
The peculiarity with malaria parasite is that its asexual stage passes in secondary host and sexual in primary host
📅1998
Q66.
Special modification of Ascaris to its parasitic mode of life is:
📅1998
Q67.
Number of sub-pharyngeal ganglia in earthworm is:
📅1998
Q68.
After copulation spermatic fluid from spermatophore passes to which part of the female cockroach:
📅1998
Q69.
Removal of olecranon process from ulna of Rabbit will lead to:
📅1998
Q70.
Distance between two Z-discs in a strip muscle fibre is called:
📅1998
Q71.
In a soil profile, small insects, bacteria and fungi are in abundance in:
📅1998
Q72.
Brachial and musculo-cutaneous veins in frog unite to form:
📅1998
Q73.
At the apex of cochlea the scala vestivuli and scala tympani communicate with each other through:
📅1998
Q74.
4 Septo-maxillary bones are present in the skull of :
📅1998
Q75.
5. Blastopore is found in:
📅1998
Q76.
Intestinal tape worms obtain their nutrition by:
📅1998
Q77.
A short length of DNA molecule contains 120 adenine and 120 cytosine bases. The total number of nucleotides in this DNA fragment is:
📅1998
Q78.
When a bird is transferred from 30°C to 10°C, its body temperature:
📅1998
Q79.
Stele in monocot stem is:
📅1998
Q80.
The inherent capacity of a cell to regenerate a total plant is called:
📅1998
Q81.
In Mendel's dihybrid cross, the ratio obtained in F2 generation is:
📅1998
Q82.
All are contrivances for cross-pollination in different plants except:
📅1998
Q83.
Bambusa arundinaceae is a plant of the family:
📅1998
Q84.
All are Caulimo viruses except:
📅1998
Q85.
Rubber is obtained from the following plants except:
📅1998
Q86.
Adelphous is the condition in which:
📅1998
Q87.
In ecosystem energy flows in:
📅1998
Q88.
Xenogamy is called:
📅1998
Q89.
Obligate parasites:
📅1998
Q90.
Protonema is the:
📅1998
Q91.
Plasmolysis in plant cells occur when they are placed in:
📅1998
Q92.
The cell-wall is interrupted by minute pores called:
📅1998
Q93.
Synapsis of homologous pair takes place during:
📅1998
Q94.
The green leaf of Cycas plant is:
📅1998
Q95.
Parenchyma cells with air-cavities are called
📅1998
Q96.
The vascular bundles in monocots are arranged in:
📅1998
Q97.
When a hybrid of F1 generation is crossed with the homozygous recessive parents, it is called as:
📅1998
Q98.
Which of the following can explain the energy stored in one ecosystems?
📅1998
Q99.
Allium cepa belongs to the family:
📅1998