Science Quiz - Question & Answers Set - 18

Science Quiz - Question & Answers Set - 18

Question 1 :
The first stable compound in Hatch and Slack cycle is?
Pyruvic acid
Malic acid
Citric acid
Oxalo acetic acid

Question 2 :
------------ is an example for sulphur containing amino acid?
Aspartic acid
Methionine
Glycine
Isoleucine

Question 3 :
Microevolution means?
Evolution at geographical level
Evolution in a small community
Changes in gene frequency within a population
Spatial evolution

Question 4 :
When a population formerly continuous in range, splits into two or more
geographically isolated populations and form new species, the mode of speciation
is
Sympatric speciation
Polytypic speciation
Allopatric speciation
Evolutionary speciation

Question 5 :
Endosperm is absent in?
Orchidaceae
Compositae
Poaceae
Malvaceae

Question 6 :
Tyloses are?
Composite sieve plate
Specialized laticeferous canals
Tracheal plugs
Resin ducts

Question 7 :
In Dracaena, secondary vascular bundle is?
Bicollataral
Amphicribral
Collateral
Amphivasal

Question 8 :
The pH of phloem sap is about------------------?
5.5-6.5
6.5 -7.5
8.0-8.5
4.5-5.5

Question 9 :
Q10 refers to?
Quantum recharge
Respiratory coefficient
A temperature coefficient
Photosynthetic active radiation (PAR) coefficient

Question 10 :
Warburg effect explains decreased rate of photosynthesis due to?
High concentration of CO2
Low concentration of CO2
High concentration of O2
Low concentration of O2

Question 11 :
Fruit drop is caused by?
Accumulation of more auxin in fruit than in stem
Accumulation of less auxin in fruit than in stem
Absence of auxin in stem and roots
Accumulation of auxin in roots

Question 12 :
The closure of lid of pitcher in Nepenthes is?
A turgor movement
A paratonic movement
A tropic movement
An autonomic movement

Question 13 :
National park is an example of?
In vitro conservation
Ex situ conservation
In situ conservation
All of these

Question 14 :
In Funaria capsule, the peristome consist of ?
16 teeth
32 teeth
64 teeth
128 teeth

Question 15 :
Protonema is found in ?
Riccia
Anthoceros
Marchantia
Funaria

Model Question Papers

Union Bank of India PO 2008 English Language

Binder Grade II Logical Reasoning & Mathematics

KSIE Junior Assistant Logical Reasoning & Mathematics

Kerala PSC LDC Thrissur 2003 Logical Reasoning & Mathematics

Kerala PSC LDC Palakkad 2003 Logical Reasoning & Mathematics

Science Quiz - Question & Answers Set - 18