School Teacher • 2017 • Technical Paper-II (Botany & Zoology)
DPD stands for
A)
Daily photosynthetic depression
B)
Daily phosphorus demand
C)
Diffusion pressure deficit
D)
Diffusion pressure demand
Diffusion pressure deficit – historical term for water potential negative value.
School Teacher • 2017 • Technical Paper-II (Botany & Zoology)
The total of the ages of Thana, Thanga, Tluanga and Thuama is 80 years. What was the total of their ages three years ago?
A)
66 years
B)
68 years
C)
70 years
D)
71 years
Total then 80. 3 years ago each person -3 => 4*3=12 less: 80-12=68.
School Teacher • 2017 • Technical Paper-II (Botany & Zoology)
The purpose of IUCN Red List is to assess the
A)
habitat assimilation of species
B)
species richness
C)
extinction risk of species
D)
population explosion
IUCN Red List assesses extinction risk categories (VU, EN, CR etc).
School Teacher • 2017 • Technical Paper-II (Botany & Zoology)
Development of more than one embryo in a seed is called
A)
Geitonogamy
B)
Palynology
C)
Polyembryony
D)
Xenogamy
Polyembryony = multiple embryos in one seed.
School Teacher • 2017 • Technical Paper-II (Botany & Zoology)
Lichens have symbiotic relationship between
A)
Alga and bacteria
B)
Alga and fungus
C)
Bacteria and fungus
D)
Fern and bacteria
Lichen = phycobiont (alga/cyanobacteria) + mycobiont (fungus).
School Teacher • 2017 • Technical Paper-II (Botany & Zoology)
Saccharomyces cerevisiae is used for making
A)
curd and yogurt
B)
wine and cheese
C)
bread and alcohol
D)
butter and cheese
Saccharomyces cerevisiae ferments sugars to ethanol and CO2 used for bread leavening and alcohol.
School Teacher • 2017 • Technical Paper-II (Botany & Zoology)
Plants cell differ from animal cells in having
A)
Centrosome
B)
Vacuoles
C)
Plastids
D)
Nucleus
Plant cells possess plastids/chloroplasts, large central vacuole and cell wall unlike animals.
School Teacher • 2017 • Technical Paper-II (Botany & Zoology)
The four nitrogenous bases in ribonucleic acid (RNA) are
A)
adenine, guanine, uracil, cytosine
B)
adenine, uracil, thymine, cytosine
C)
adenine, guanine, thymine, cytosine
D)
thymine, uracil, guanine, cytosine
RNA contains A,G,C,U (U replaces T of DNA).
School Teacher • 2017 • Technical Paper-II (Botany & Zoology)
A cap-like structure on the head of a spermatozoon is called
A)
spermatid
B)
acrosome
C)
Leydig cells
D)
sanchette
Acrosome cap contains enzymes for fertilization.
School Teacher • 2017 • Technical Paper-II (Botany & Zoology)
Golden Rice is a genetically-enhanced source of
A)
protein
B)
cholesterol
C)
omega-3 fatty acid
D)
vitamin A
Golden Rice engineered with phytoene synthase/crtI to produce beta-carotene provitamin A.
School Teacher • 2017 • Technical Paper-II (Botany & Zoology)
The number of officially recognised National Parks in Mizoram is
A)
7
B)
2
C)
5
D)
8
Mizoram has 2 National Parks: Murlen and Phawngpui (Blue Mountain).
School Teacher • 2017 • Technical Paper-II (Botany & Zoology)
Mizoram falls within the biodiversity hotspot of
A)
Indo-Burma and Eastern Himalayas
B)
Indo-Burma only
C)
Eastern Himalayas only
D)
Western Ghats and Indo-Burma
Mizoram lies in Indo-Burma biodiversity hotspot (out of 4 hotspots in India).
School Teacher • 2017 • Technical Paper-II (Botany & Zoology)
One of the important gases that is responsible for greenhouse effect is
A)
CO
B)
O2
C)
N2
D)
CO2
CO2 is major greenhouse gas (along with CH4, N2O, water vapour).
School Teacher • 2017 • Technical Paper-II (Botany & Zoology)
Spiders belong to the class
A)
Insecta
B)
Crustacea
C)
Chilopoda
D)
Arachnida
Spiders are Arachnida, 8 legs, no antennae.
School Teacher • 2017 • Technical Paper-II (Botany & Zoology)
The term Binomial nomenclature was proposed by
A)
Robert Hooke
B)
Whittaker
C)
Carolus Linnaeus
D)
Schleiden and Schwann
Binomial nomenclature introduced by Carolus Linnaeus in Species Plantarum 1753.
School Teacher • 2017 • Technical Paper-II (Botany & Zoology)
The first discovered and most famous reptile-bird transitional fossil is
A)
Oviraptor
B)
Ichthyosaurus
C)
Archaeopteryx
D)
Quetzalcoatlus
Archaeopteryx lithographica shows reptilian teeth, tail and feathers – classic reptile-bird link.
School Teacher • 2017 • Technical Paper-II (Botany & Zoology)
Epigeal germination is found in
A)
Castor seed
B)
Bean seed
C)
Cotton seed
D)
All the above
Castor, bean, cotton all show epigeal where cotyledons above soil; all above correct.
School Teacher • 2017 • Technical Paper-II (Botany & Zoology)
Down’s syndrome is due to an
A)
absence of chromosome 14
B)
absence of X chromosome
C)
extra Y chromosome
D)
extra chromosome 21
Down syndrome trisomy 21 extra chromosome 21.
School Teacher • 2017 • Technical Paper-II (Botany & Zoology)
The name vaccine was introduced by
A)
Edward Jenner
B)
Louis Pasteur
C)
Robert Koch
D)
Maurice Hilleman
Louis Pasteur coined term 'vaccine' (from vacca=cow) honoring Jenner; Jenner coined vaccination.
School Teacher • 2015 • Paper-II
The best method applied in the classroom to inculcate scientific attitude in the student is:
A)
Historical method
B)
Topic method
C)
Lecture method
D)
Heuristic method
Heuristic teaching best encourages investigation and scientific attitude.
School Teacher • 2015 • Paper-II
Many science formulas and symbols are taken from Greek and Latin alphabets. This shows the correlation of science with:
A)
Arts
B)
Mathematics
C)
Social Studies
D)
Language
Use of Greek and Latin alphabets in scientific terminology shows correlation with language.
School Teacher • 2015 • Paper-II
Which among the following is NOT a feature of the Fundamental Rights under the Indian Constitution?
A)
They are above ordinary laws
B)
They are absolute
C)
They are justiciable
D)
They are enshrined in Part III of the Constitution
Fundamental Rights are not absolute; they are subject to constitutional restrictions.
School Teacher • 2015 • Paper-II
The desired values and qualities which are expected after completion of a specific stage in school are:
A)
Aims
B)
Aims and objectives
C)
Objectives
D)
Goal
Objectives describe expected learning outcomes or qualities after a specific stage; 'goal' is broader.
School Teacher • 2015 • Paper-II
Which of the following is based on 'Learning by doing'?
A)
Historical method
B)
Topic method
C)
Heuristic method
D)
Lecture method
The heuristic method is based on learning through discovery and doing.
School Teacher • 2015 • Paper-II
Upon careful consideration of the poem, what is Chhura attempting to do regarding Phungpui nu?
A)
Phungpui nu hi tlawn lungawi a tum
B)
Phungpui nu hi sial anga kaih hawn a tum
C)
Phungpui nu hi naupang chaihtir a tum
D)
Phungpui nu hi pi pu uaitir a tum
The primary-school-teacher poem asks what Chhura intends regarding Phungpui nu; the answer is to capture her like a wild animal.
