JOIN ADRE 2.0 Telegram Group

Multiple Choice Questions & Answers on APSC Botany Optional | GkSeries

31 Anomalous secondary growth in Boerhaavia shows
1 formation of extrastelar cambium
2 formation of interxylary cork
3 formation of interxylary phloem
4 formation of successive rings of cambia which develop either in the form of concentric rings or segments

Answer: formation of successive rings of cambia which develop either in the form of concentric rings or segments
32 Which is correct for sapwood?
1 Tyloses are found in them
2 They are darker in colour
3 They are functional in conduction and storage
4 They produce timber of commerce

Answer: They are functional in conduction and storage
Advertisement
Article and Schedule Quiz Start Test!

DOWNLOAD CURRENT AFFAIRS PDF FROM APP

33 In dicotyledonous roots
1 pith is large and well-developed
2 secondary growth does not occur
3 number of vascular bundles varies from 2-6
4 number of vascular bundles more than 6 or 8

Answer: number of vascular bundles varies from 2-6
34 Chlorella reproduces only asexually by the formation of
1 autospores
2 biflagellate zoospores
3 quadriflagellate zoospores
4 uniflagellate zoospores

Answer: autospores
35 Chi tin is a
1 polysaccharide
2 nitrogenous polysaccharide
3 lipoprotein
4 protein

Answer: nitrogenous polysaccharide
36 Volvox colonies are found in
1 freshwater ponds
2 salt lakes
3 seawater
4 spring

Answer: freshwater ponds
37 The antibiotic produced by Chlorella is known as
1 chloromin
2 Chloromycetin
3 chlorellin
4 chloramphenicol

Answer: chlorellin
38 Reticulate chloroplast with pyrenoids are present in
1 Oedogonium
2 Ulothrix
3 Batrachospermum
4 Chlorella

Answer: Oedogonium
39 Which of the following is a prokaryotic alga?
1 Polysiphonia
2 Cladophora
3 Anabaena
4 Ectocarpus

Answer: Anabaena
40 An example of colonial coenocytic alga is
1 Spirogyra
2 Oedogonium
3 Hydrodictyon
4 Volvox

Answer: Volvox
41 Oogamous mode of reproduction is seen in
1 Ulothrix
2 Cladophora
3 Chlorella
4 Vaucheria

Answer: Vaucheria
42 Pyrenoids are
1 starch bodies surrounded by protein grains
2 starch bodies surrounded by oil droplets
3 protein bodies surrounded by oil droplets
4 protein bodies surrounded by starch plates

Answer: protein bodies surrounded by starch plates
43 Reserve food floridean starch' is found in
1 Chlamydomonas
2 Polysiphonia
3 Chora
4 Vaucheria

Answer: Polysiphonia
44 Polysiphonia exhibits a special kind of alternation of generations which is called
1 isomorphic
2 haplontic
3 diplontic
4 triphasic

Answer: triphasic
45 The cystocarp in Batrachospermum is
1 haploid
2 diploid
3 triploid
4 polyploid

Answer: haploid

ADRE 2.0 FULL LENGTH MOCK TEST

Take Mock Tests

Missiles Mock Test Start Test!
SSC MTS Mock Test Start Test
IBPS CLERK MOCK TEST Start Test
SSC MTS 2022 JULY 26 Shift 1 (ENGLISH) Start Test!
SSC GD Previous Year Paper 2021 Nov 17 Shift - I (Hindi) Start Test!
SSC CGL Tier - 1 PYP 2022 April 21 Shift- 1 (ENGLISH) Start Test!
MPSC PAPER I MOCK TEST 1 (ENGLISH) Start Test!
IB Security Assistant Mock test 1 (english) Start Test!
UP POLICE CONSTABLE MOCK TEST 1 Start Test!
DELHI POLICE CONSTABLE MOCK TEST 1 (HINDI) Start Test!
Advertisement
Assam Direct Recruitment Test Series
APSC CCE PRELIMS Mock Test - 3 Start Test
APSC CCE PRELIMS Mock Test - 4 Start Test
APSC CCE PRELIMS Mock Test - 5 Start Test
APSC PRELIMS FULL LENGTH Mock Test - 1 Start Test
APSC PRELIMS FULL LENGTH Mock Test - 2 Unlock Test
APSC PRELIMS FULL LENGTH Mock Test - 3 Unlock Test
APSC PRELIMS FULL LENGTH Mock Test - 4 Unlock Test
APSC PRELIMS FULL LENGTH Mock Test - 5 Unlock Test
APSC PRELIMS FULL LENGTH Mock Test - 26 Unlock Test
APSC PRELIMS FULL LENGTH Mock Test - 27 Unlock Test

Unlock All FULL LENGTH Mock Tests!