Q.1.
AGGTATCGCAT is a sequence from the coding strand of a gene. What will be the corresponding sequence of the transcribed mRNA?
Q.2.
Which of the following events does not occur in rough endoplasmic reticulum?
Q.3.
All of the following are part of an operon except
Q.4.
Match the columns
Column I
(Function)
Column II
(Part of Excretory system)
a. Ultrafiltration (i) Henle's loop
b. Concentration of urinr (ii) Ureter
c. Transport of urine (iii) Urinary bladder
d. Storage of urine (iv) Malpighian corpuscle
--- (v) Proximal convoluted tubule
Q.5.
Which of the following has proved helpful in preserving pollen as fossils?
Q.6.
After karyogamy followed by meiosis, spores are produced exogenously in
Q.7.
Which of the following is not an autoimmune disease?
Q.8.
Which of the following terms describe human dentition?
Q.9.
Plants having little or no secondary growth are
Q.10.
Nissl bodies are mainly composed of
Q.11.
Which of the following is commonly used as a vector for introducing a DNA fragment in human lymphocytes?
Q.12.
Which of the following is an occupational respiratory disorder?
Q.13.
Match the columns
Column I Column II
a. Tricuspid valve (i) Between left atrium
and left ventricle
b. Bicuspid valve (ii) Between right
ventricle and
pulmonary artery
c. Semilunar valve (iii) Between right
atrium and right
ventricle
Q.14.
Which of the following characteristics represent ‘Inheritance of blood groups’ in humans? a. Dominance b. Co-dominance c. Multiple allele d. Incomplete dominance e. Polygenic inheritance
Q.15.
Which one of these animals is not a homeotherm?
Q.16.
Offsets are produced by
Q.17.
All of the following are included in ‘ex-situ conservation’ except
Q.18.
Sweet potato is a modified
Q.19.
Which of the following animals does not undergo metamorphosis?
Q.20.
Which of the following is an amino acid derived hormone?
Q.21.
Calcium is important in skeletal muscle contraction because it
Q.22.
Which of the following gastric cells indirectly help in erythropoiesis?
Q.23.
In India, the organisation responsible for assessing the safety of introducing genetically modified organisms for public use is
Q.24.
Select the correct match
Q.25.
Stomata in grass leaf are
Q.26.
Pneumatophores occur in
Q.27.
Which of the following elements is responsible for maintaining turgor in cells?
Q.28.
Which one of the following plants shows a very close relationship with a species of moth, where none of the two can complete its life cycle without the other?
Q.29.
Among the following sets of examples for divergent evolution, select the incorrect  option :
Q.30.
A ‘new’ variety of rice was patented by a foreign company, though such varieties have been present in India for a long time. This is related to