Objective Questions & Answers for APSC Botany Examination | GkSeries

16 Self-pollination in flowers which never open up in its life span is known as
1 autogamy
2 homogamy
3 cleistogamy
4 allogamy

Answer: cleistogamy
17 In pomegranate, the fruit is known as
1 balausta
2 pepo
3 amphisarca
4 hesperidium

Answer: balausta
18 The cell theory was proposed by
1 Schleiden and Schwann
2 Darwin and Wallace
3 Mendel and Morgan
4 Watson and Crick

Answer: Schleiden and Schwann
19 Ribosomes are centre for
1 respiration
2 protein synthesis
3 photosynthesis
4 lipid synthesis

Answer: protein synthesis
20 Tonoplast is a differentially permeable membrane that encloses the
1 cytoplasm
2 nucleus
3 vacuole
4 mitochondria

Answer: vacuole
21 Beauty of Bougainvillea flower is because of
1 calyxes
2 bracts
3 sepals
4 petals

Answer: bracts
22 Endosperm is absent in the seeds of
1 gram
2 cumin
3 orchid
4 castor

Answer: orchid
23 The 'eyes' of potato tubers are
1 shoot buds
2 flower buds
3 root buds
4 axillary buds

Answer: axillary buds
24 The plant with most durable wood is
1 hollong
2 sissoo
3 sal
4 teak

Answer: sal
25 Cork tissue arises from
1 periderm
2 phellogen
3 phelloderm
4 phellem

Answer: phellogen
26 Medullary rays are made up of
1 parenchymatous cells
2 sclerenchymatous cells
3 fibres
4 collenchymatous cells

Answer: parenchymatous cells
27 Growth rings are formed by the activity of
1 cambium
2 phloem
3 xylem
4 both phloem and xylem

Answer: cambium
28 The layer of cells between endodermis and vascular bundles is called
1 hypodermis
2 cortex
3 pith
4 pericycle

Answer: pericycle
29 Aerenchyma is found in
1 lithophytes
2 sciophytes
3 hydrophytes
4 xerophytes

Answer: hydrophytes
30 Quiescent centre is associated with
1 shoot
2 root
3 ground tissue
4 epidermal tissue

Answer: root
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