Botany Mcqs :: All Aptitude Test ::

1.A d.p.c.:
A. provides a level bed
B. provides a bed for floor joists
C. holds back moisture
D. provides a level bed

2. Dry rot in timber is the result of:
A. chemical decay
B. insect attack
C. old age
D. chemical decay

3.A horizontal member used in trench timbering is a:
A. waling board
B. poling board
C. foot prop
D. waling board

4. The minimum lap for a flexible d.p.c. is:
A. 50 mm
B. 75 mm
C. 100 mm
D. 50 mm

5.The number of layers in which the slump cone is filled and the number of times each layer is rodded is:
A. 2; 25
B. 3; 25
C. 3; 35
D. 2; 25

6. A horizontal d.p.c. is placed to stop moisure:
A. rising up from the ground
B. running down into the foundations
C. passing from the outer leaf to the inner leaf
D. rising up from the ground

7. Coarse aggregate is mainly retained on a sieve of:
A. 3 mm
B. 4 mm
C. 5 mm
D. 3 mm

8.To keep the bed joints to the required thickness, it is advisable to:
A. level the work frequently
B. lay the bricks frog-uppermost
C. use the gauge staff regularly
D. level the work frequently

9.Which of these is the most advanced phylogenetically among the dicotyledonous families?
A. Scrophulariaceae
B. Acanthaceae
C. Umbelliferae
D. Scrophulariaceae

10.The substitute for the newly collected specimen when the original type material is missing in a herbarium is entitled as
A. Holotype
B. Neotype
C. Lectotype
D. Holotype

11. If all the puddles and ponds are destroyed, the entities likely to be destroyed are
A. Plasmodium
B. Ascaris
C. Leishmania
D. Plasmodium

12.In the five-kingdom system of classification, into which kingdom would you classify nitrogen-fixing organisms and archaea?
A. Fungi
B. Plantae
C. Protista
D. Fungi

13.This is considered as a demerit of the ‘Engler and Prantl’ in the system of classification
A. Gymnosperms are placed between monocotyledons and dicotyledons
B. Dicotyledons are placed after monocotyledons
C. Dicotyledons are placed before monocotyledons
D. Gymnosperms are placed between monocotyledons and dicotyledons

14.The basis of Phenetic classification is
A. Observable characteristics of existing entities
B. The ancestral lineage of existing organisms
C. Dendrograms based on DNA characteristics
D. Observable characteristics of existing entities

15. Difference between the natural system of plant classification and artificial system of classification is
A. Considers only one vegetative character
B. Considers all the similarities between plants
C. Considers only one floral character
D. Considers only one vegetative character

16.This system of classification was used by Linnaeus
A. Phylogenetic system
B. Natural system
C. Artificial system
D. Phylogenetic system

17.This system of classification was used by Linnaeus
A. Phylogenetic system
B. Natural system
C. Artificial system
D. Phylogenetic system

18.Pick the right sequence of taxonomic categories
A. division-class-family-tribe-order-genus-species
B. division-class-family-order-tribe-genus-species
C. division-class-order-family-tribe-genus-species
D. division-class-family-tribe-order-genus-species

19. ‘New Systematics’ term was coined by
A. Linnaeus
B. Bentham and Hooker
C. A.P. de Candolle
D. Linnaeus

20.Musca domestica is the name of:
A. Insect
B. Grasshopper
C. House Fly
D. Insect

21.Which of the following taxa is not included by Von Linne?
A. Class
B. Phylum
C. Domain
D. Class

22. The DNA of which organelle is studied in molecular clock?
A. Cytoplasm
B. Mitochondria
C. Nucleus
D. Cytoplasm

23.Match Domain system it jib one of the followings
A. DNA
B. Protein
C. RNA
D. DNA

24. True bacteria belongs to:
A. Archaea
B. Euhacteria
C. Eukarya
D. Archaea

25.Eukarya were formed million years ago:
A. 1
B. 1.5
C. 2
D. 1

26. The group with unknown evolutionary relationship is:
A. Monophyletic
B. Polyphyletic
C. Paraphyletic
D. Monophyletic

27.The similarities between the wing of birds and insects is:
A. Homology
B. Analogy
C. Systematics
D. Homology

28. Which of the followings systematics have traditional approach?
A. Evolutionary
B. Phyletic
C. Numerical
D. Evolutionary

29. Asymmetrical animal is:
A. Hydra
B. Sponges
C. Sea anemone
D. Hydra

30.Radially symmetrical animal is:
A. hydra
B. Sponges
C. Ameoba
D. hydra


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