(d) The gametophyte undergoes meiosis to
produce spore
- The isolation of megasporocyte from the rest of
the nucellar tissue begins from
(a) Micropylar region (b) Chalazal region
(c) Middle region (d) Anywhere
30.Match the items in Column I ,column II and
column III then choose correct order
Column I Column II Column III
A.Prophase i. Arranged Amitosis
on equatorial
plate
B.Metaphase ii.Arrangement Meiosis I
of chromatids
on the poles
C.Anaphase iii. Formation Meiosis II
of cytoplasmic
fibres of proteins
D.Telophase iv. Nuclear Mitosis
membrane and
other organelles
reorganize
E.Cytokinesis v. Formation G 0 phase of
of Syncytium cell
cycle - According to the Punnett square shown below,
what letters belong to the lower right side box?
(a) Aa (b) aa
(c) AA (d) a
32.Which one of the following pairs is wrongly
matched while the remaining three are correct?
(a) Agave – Bulbils
(b) Penicillium – Conidia
(c) Water hyacinth – Runner
(d) Bryophyllum – Leaf buds
- The breakdown of detritus into smaller particles
by earthworm is a process called
(a) Humification (b) Fragmentation
(c) Mineralisation (d) Catabolism
34.Production of a human protein in bacteria
by genetic engineering is possible because
the
(a) Human chromosome can replicate in
bacterial cell
(b) Mechanism of gene regulation is identical in
humans and bacteria
(c) Genetic code is universal
(d) Bacterial cell can carry out the RNA splicing
reactions
35.Which one is a true statement regarding DNA
polymerase used in PCR?
(a) It serves as a selectable marker
(b) It is isolated from a virus
(c) It remains active at high temperature
(d) It is used to ligate introduced DNA in
recipient cell- Vascular tissues in flowering plants develop from
(a) Phellogen (b) Plerome
(c) Periblem (d) Dermatogen - Match the items in Column I and column II
Column I Column II
A. Pencillin i. Penicillium
chrysogenum
B. Chloramphenicol ii. Streptomyces
griseus
C. Tetracyclin iii.Streptomyces
aureofaciens
D. Erythromycin iv. Streptomyces
erythreus
(a) A-iii, B-iv, C-ii, D-i
(b) A-i, B-ii, C-iii, D-iv
(c) A-iv, B-iii, C-ii, D-i
(d) A-iii, B-ii, C-iv, D-i - Photosynthesis in C 4 plants is relatively less
limited by atmospheric CO 2 levels because
(a) Effective pumping of CO 2 into bundle sheath
cells
(b) RuBisCo in C 4 plants has higher affinity for
CO 2
(c) Four carbon acids are the primary initial CO 2
fixation products
(d) The primary fixation of CO 2 is mediated via
PEP carboxylase - Match Column I and Column II and select the
correct option
Column I Column II
A.Camouflage 1. Dendrobates pumilio
B. Batesian mimicry 2. Horse-shoe bat
C. Warning colouration 3. Monarch butterfly
D. Echolocation 4. Praying mantis
(a) A-2, B-4, C-3, D-1 (b) A-3, B-4, C-2, D-1
(c) A-4, B-1, C- 3, D-2 (d) A- 4, B-3, C-1, D-2