142- Which statement about chlorophyll is not true?
A. It contains terminal carbonyl group
B. It contains phyto tail
C. It contains magnesium
D. It contains porphyrin ring
View Answer
Answer : A. It contains terminal carbonyl group
Description
143- In humans the disease symptoms develop during the:
A. log phase
B. lag phase
C. growth phase
D. decline phase
View Answer
Answer : B. lag phase
Description
144- Independent gametophyte and sporophyte are found in:
A. selaginella
B. polytrichum
C. ectocarpus
D. Liverworts
View Answer
Answer : B. polytrichum
Description
145- Timespteris is an example of?
A. horsetail
B. club mosses
C. psilopsida
D. pteropsida
View Answer
Answer : C. psilopsida
Description
146- The larva formed during the life cycle of annelida is:
A. Glochidium larva
B. bipinnaria larva
C. trochophore larva
D. tornaria larva
View Answer
Answer : C. trochophore larva
Description
147- Ebner’s gland on the dorsal surface of the tongue secrete an enzyme?
A. Amylase
B. Ptyalin
C. Lingual lipase
D. Both Amylase and Ptyalin
View Answer
Answer : C. Lingual lipase
Description
148- Antibodies consists of ______ polypeptide chains:
A. 2
B. 4
C. 6
D. 8
View Answer
Answer : B. 4
Description
149- ______ you win first place, you will receive a prize:
A. Whenever
B. If
C. Unless
D. So forth
View Answer
Answer : B. If
Description
150- The train was ______.
A. halt
B. halted
C. had halted
D. has halted
View Answer
Answer : B. halted
Description
151- Which of the following species has the maximum number of unpaired electrons?
A. O₂
B. O⁺₂
C. O⁻₂
D. O²⁻₂
View Answer
Answer : B. O⁺₂
Description
152- A mixture of 10cm³ of oxygen and 50cm³ of hydrogen is sparked continuously. What is the maximum theoretical decrease in volume?
A. 10cm³
B. 15cm³
C. 20cm³
D. 30cm³
View Answer
Answer : B. 15cm³
Description
153- The oxidation states of Nitrogen in NH₄NO₃ are:
A. -3 and +5
B. +5 and -3
C. -3 & -3
D. zero
View Answer
Answer : A. -3 and +5
Description
154- Which equation relates to the first ionization energy of bromine?
A. Br(g) -> Br⁻(g) + 1e⁻
B. Br(g) -> Br⁺ + 1e⁻
C. ½ Br₂(g) -> Br⁻(g) + 1e⁻
D. ½ Br₂(g) -> Br⁺(g) + 1e⁻
View Answer
Answer : B. Br(g) -> Br⁺ + 1e⁻
Description
155- Co-ordination number of [Co(en)₂Cl₂] is:
A. 2
B. 4
C. 6
D. None
View Answer
Answer : B. 4
Description
156- An olefin “X” on ozonolysis gives CH₃CH₂COOCH₃ and CH₃COCH₃. The IUPAC name of X is:
A. 2 – Butene
B. 2,3 – di Methyl – 2 Pentene
C. 2 – Pentene
D. 1 – Hexene
View Answer
Answer : B. 2,3 - di Methyl - 2 Pentene
Description
157- Two wires A and B are made of same material. The wire A has a length I, and diameter R while the wire B has a length 2L and diameter R/2. If the two wires are stretched by the same force, the elongation in A divided by the elongation in B is:
A. ½
B. ¼
C. 4
D. 8
View Answer
Answer : D. 8
Description
158- A wire can sustain the weight of 20kg before breaking. If the wire is cut into two equal parts, each part can sustain a weight of?
A. 10kg
B. 20kg
C. 40kg
D. 80kg
View Answer
Answer : B. 20kg
Description
159- Which of the following is not E.M wave?
A. Radio waves
B. X-rays
C. Light waves
D. Sound waves
View Answer
Answer : D. Sound waves
Description
160- A shell of mass m moving with velocity v suddenly breaks into two pieces. The part having mass m/4 remains stationary. The velocity of the other shell will be:
