Biology
Q. A plant body which is not differentiated into true roots, stems, and leaves is called?
Answer: Thallus.
Q. Which one of the following nitrogenous bases is not present in RNA?
Answer: Thymine (RNA contains Uracil instead)
Q. What is the basic unit of classification in biology?
Answer: Species
Q. In molluscs, the body is covered by a glandular epithelial envelope called?
Answer: Mantle
Q. Members of subdivision Hepaticopsida are commonly called?
Answer: Liver worts
Q. What is the use of transgenic farm animals to produce pharmaceuticals called?
Answer: Gene pharming
Q. Integumented indehiscent megasporangium is in fact a/an?
Answer: Ovule
Q. The only moveable bone in the skull is:
Answer: Mandible (Lower jaw)
Q. Foliose lichens are:
Answer: leaf like
Q. Hemoglobin is an example of which class of protein?
Answer: transport
Q. Where are alleles of a gene located?
Answer: At the same locus
Q. Cholesterol, secreted by the liver, may precipitate in the gall bladder to produce:
Answer: gall stones
Q. Another name for phosphatidylcholine is:
Answer: lecithin
Q. The transfer of naked genetic material from one cell to another is termed as?
Answer: Transformation
Q. In 1935, Tobacco mosaic virus (TMV) was crystallized by?
Answer: Stanley
Q. Most of the major organs of a fetus are formed by which week of pregnancy?
Answer: 12th
Q. “Filial” is a Latin word, it means:
Answer: progeny (offspring)
Q. The semi-digested food in a cockroach is stored temporarily in this organ:
Answer: Crop
Q. How do famines occur?
Answer: Failure of Crop
Chemistry
Q. Cement contains Gypsum in what percentage?
Answer: 2%
Q. The molecule which has ionic, covalent, and coordinate covalent characters is:
Answer: NH₄Cl
Q. Xenon has how many kinds of oxides?
Answer: 2 (XeO₃ and XeO₄)
Q. The oxides of electropositive elements are:
Answer: basic
Q. By adding NH₄Cl to NH₄OH solution, the ionization of NH₄OH:
Answer: decreases (due to Common Ion Effect)
Q. The carbon-carbon (C-C) bond length in benzene is:
Answer: 1.39 Å
Q. Basic lead chromate is formed when lead chromate is boiled with:
Answer: strong alkali hydroxide
Q. The substitution of -H by -NO₂ group of benzene is called?
Answer: Nitration
Q. At which oxidation state does Cu achieve the electronic configuration of Zn²⁺?
Answer: -1
Q. Kaolin is a mineral of:
Answer: Aluminium
Q. Number of electrons in SF₆ molecules (valence shell of S) is:
Answer: 12
Quantitative Basic / IQ
Q. Solve the equation: 2x + 5 = 13.
Answer: x = 4
Q. The sum of two consecutive even integers is 46. Find the integers?
Answer: 22 and 24
Q. Find the value of y in the equation 3x – 2y = 9, where x = 5.
Answer: y = 3
Q. A farmer uses 27 fence poles on each side of a square plot. Total poles needed?
Answer: 104
Q. Solve the equation: √(x + 3) = 2.
Answer: x = 1
Q. The equation 2x + 4 = 3x + 1 has how many solutions?
Answer: One solution
Q. Solve for x: 4x + 5 = 2x – 3.
Answer: x = -4
Q. Sara has 5 red, 3 green, and 2 blue marbles. Fraction of green marbles?
Answer: 3/10
Q. Sarah needs 2 cups of sugar but has only 1/2 cup. How much more does she need?
Answer: 3/2 cup
Q. Total ages of Amar, Akbar, and Ali is 80 years. Total ages three years ago?
Answer: 71 years
Q. An angle = 90 degrees is called?
Answer: right angle