Plant Kingdom :: All Aptitude Test ::

1.Carpogonia is the female sex organ in which of the algae?
A. Rhodophycophyta
B. Xanthophycophyta
C. Chrysophycophyta
D. Rhodophycophyta

2.The xanthophyte walls are typically of?
A. chitin
B. cellulose
C. cellulose and pectin
D. chitin

3.Chrysamoeba exists in which of the following forms?
A. Nonmotile coccoid
B. filamentous
C. amoeboid
D. Nonmotile coccoid

4.Kelps are which of the following type of algae?
A. Red algae
B. Yellow algae
C. Brown algae
D. Red algae

5.Frustules are found in which of the following algae?
A. Bacillariophycophyta
B. Chlorophycophyta
C. Euglenophycophyta
D. Bacillariophycophyta

6.Which of the following are formed in pyrenoids?
A. Oil
B. Glucose
C. Starch
D. Oil

7.In Chlamydomonas the most common method of sexual reproduction is?
A. isogamy
B. heterogamy
C. oogamy
D. isogamy

8.Which of the following is a colonial green alga?
A. Chlamydomonas
B. Chlorella
C. Volvox
D. Chlamydomonas

9.Fungi are ?
A. Prokaryotic
B. eukaryotic
C. prokaryotic and lack chlorophyll
D. Prokaryotic

10.Hyphal wall consists of microfibrils composed of?
A. hemicellulose or chitin
B. cellulose
C. lipids
D. hemicellulose or chitin

11.Coenocytic hyphae have?
A. Septate with uninucleate cells
B. Septate with multinucleate cells
C. No septate
D. Septate with uninucleate cells

12.What is Cytogenetics?
A. Genetic disorders
B. Phenotypic variation
C. Study of chromosomes
D. Genetic disorders

13.The diagram which shows the arrangement of metaphasic chromosomes according to their position of centromere is called
A. Histogram
B. Karyogram
C. Dendrogram
D. Histogram

14.Which of the following designation has given to human female chromosomes?
A. XX
B. XY
C. XO
D. XX

15.Growth regulators, which control plant growth and development are called?
A. Secondary metabolites
B. Macro element
C. Nonessential elements
D. Secondary metabolites

16.Which of the following is NOT a plant hormone?
A. Corticosteroid
B. Brassinosteroid
C. Polyamines
D. Corticosteroid

17.Name the plant in which auxin was first discovered?
A. Mustard
B. Pea
C. Oats
D. Mustard

18.Which of the following is NOT a naturally occurring auxin?
A. Indole 3-acetic acid (IAA)
B. Indole 3-butyric acid (IBA)
C. Phenyl acetic acid (PAA)
D. Indole 3-acetic acid (IAA)

19.Name the amino acid which acts as a precursor of auxin biosynthesis?
A. Serine
B. Tryptophan
C. Valline
D. Serine

20.Mark the one, which is NOT a physiological effect of auxin?
A. Cell elongation
B. Stem elongation
C. Cell differentiation
D. Cell elongation

21.Name the site of Gibberellins synthesis?
A. Endosperm
B. Coleoptile tip
C. Young leaves
D. Endosperm

22.Gibberellin that is synthesized in the shoot transported to different parts of the plant by which medium?
A. Xylem
B. Sieve tube
C. Aleurone layer
D. Xylem

23.What is bolting?
A. Internode elongation
B. Rooting
C. Shooting
D. Internode elongation

24.Which of the following plant hormone is responsible for seed germination?
A. Auxin
B. Gibberellin
C. Ethylene
D. Auxin

25.Name the first naturally occurring cytokines?
A. Neoxanthin
B. Xanthoxin
C. Zeatin
D. Neoxanthin

26.Which of the following plant hormone causes a delay in leaf senescence?
A. Abscisic acid
B. Ethylene
C. Auxin
D. Abscisic acid

27.Name the stress hormone of the plant.
A. Brassinosteroid
B. Abscisic acid
C. Cytokines
D. Brassinosteroid

28. Which one of the following is NOT covered under Taxonomy?
A. Alpha taxonomy
B. Beta taxonomy
C. Delta taxonomy
D. Alpha taxonomy

29.Organizing taxonomic information in logical classification is called?
A. Systematics
B. Phenetic
C. Phylogenetic
D. Systematics

30.Name the philosopher who first classified organisms?
A. Whittekar
B. Carl woese
C. Linnaeus
D. Whittekar


Date to Date Current Affairs 2022

PakMCQs.net

Quick Links

GAT Subject



   Computer Science    English Mcqs    Agriculture    

Engineering



   Computer Science    Civil Engineering    

Technical



   Networking    Electronics    Database    

Past Papers



   Model Papers    FPSC Papers