Biology General topic based MCQs preparation test for all competitive exam. Biology General Chapter# 11, topic based MCQs that are mostly asked in competitive exam related to Biology. Examtry team design a series of MCQs based tests that effectively and efficiently help a student or job seeker to prepare their exam effectively and efficiently.
Examtry team design more than 100 MCQs and try their best to cover the whole topic Biology General . These MCQs based test really helpful in all competitive exams as well as institutional exams. Anyone who wants to pass job test comprising one paper or MCQs based test come on examtry.com and get prepared himself.
MCQs under the topic of Biology General covers all tests conducted by FPSC, NTS, KPSC, PPSC, SPSC, BPSC, OTS, UTS, UPS, PTS, CTS, ATS, ETEA or any other institution.
1 - The one which is present in all living things
DNA or RNA
2 - The mechanism of stomatal movement is related to the branch of Biology called
Physiology
3 - Maximum number of species of living things on earth are
Insects
4 - Variety among amino acids is produced due to
R group
5 - Primary structure of proteins determines
Amino acid sequence
6 - The one which is not a globular protein
Myosin
7 - An enzyme which converts a dipeptide into separate amino acids is an example of
Hydrolase
8 - Cellular digestion is associated with which organelle
Lysosomes
9 - The unicellular organisms ingest large molecules into their cytoplasm from the external environment without previously digesting them. This process is called
Phagocytosis
10 - Membranes of the grane are sites where
Sunlight is trapped
11 - The simplest of oxygen producting photosynthetic organisms are
Cyanobacteria
12 - Protein coasts of viruses are synthesized in
Lytic cycle
13 - Mycoplasmas have been included in bacteria because
Lack membrane bounded organelles
14 - Yeasts reproduce asexually by forming
Buds
15 - The one which can tolerate highest external osmotic pressure
Fungi
16 - Locomotory structures are not found in which of the following group
Apicomplexans
17 - The cell wall of oomycetes is chiefly composed of
Cellulose
18 - One celled green ptotists are included in
Algae
19 - Pick the odd one out
Psilotum
20 - The one which is incorrect pair
Dichotomous - Vernation
21 - Double fertilization occurs in
Angiosperms
22 - Amphoixus is a
All of these
23 - Adult birds normally possess only one functional
Ovary
24 - Following possess bilateral symmetry as larva and radial symmetry as adult:
Echinodermata
25 - Which of the following are triploblastic and acoelomate?
Platyhelminthes
26 - Which of the following occurs in anaerobic respiration but not in aerobic respiration?
Production of ethanol from acetaldehyde
27 - Which of the following is the empirical formula of chlorophyll b?
C55H70O6N4Mg
28 - How many moles of carbon dioxide are produced by complete oxidation of one mole of puruvic acid?
3
29 - The food of hydra consists of
Small crustaceans
30 - Hunger pangs usually begin ______ after the previous meal.
12-24 hours
31 - If a plasmolysed plant cell is placed in water the cell will
Be deplasmolysed
32 - The major constituent of blood plasma is
Water
33 - All of the following veins carry deoxygenated blood except
Inferior vena cava
34 - The windpipe or trachea lies
None of these
35 - Scurvy and beri - beri and caused by the deficiency of
Vitamin C and B
36 - Kangaroo rat most probably would be found in
Desert
37 - The greatest diversity of animals in the lake is found in which one of the following zones?
Littoral zone
38 - What is the characteristic feature of consumers?
Heterotroph
39 - What percentage of light reaching the earth is used in photosynthesis?
0.01
40 - All of the following are involved in nitrification except
Rhizohium
41 - Competition between species will be greatest if they attempt to occupy the same
Niche
42 - In most ecosystems the greatest amount of energy flows through the
Herbivores
43 - Which of the following relationship is NOT an example of symbiosis?
Marchantia sporophyte and gametophyte
44 - Animals with greatest number of similarities are grouped together in a/an
Genus
45 - The one which is present in all aerobic species
Cytohrome c
46 - The structure which has been formed or modified from gill pouches in humans is
Eustachian tube
47 - According to Lamarch evolution occurred as the result of
Inheritance of acquired characters
48 - The discease in which transmembrane carrier for the chloride ion is not produced is
Cystic fibrosis
49 - The one which can break open a plasmid ring is
Ligase enzyme
50 - A genome is
Full set of genes of an individual
51 - Genes will not be found in gene pairs in the
Sperm cells of frog
52 - The red green colour blindness is sex linked recessive condition in man. A father with normal vision and a color blind mother world expect to produce.
Color blind sons and daughter with normal vision
53 - Which one of the following stage preceeds mitosis during cell cycle?
G2 phase
54 - Which one of the following syndrome is the result of meiotic non dysjunction?
All of these
55 - Which one of the following is correct sequence of stages of prophase 1 of meiosis
Leptotene zygotene pachytene diplotene diakinesis
56 - In humans the number of tetrads formed during mitosis is
0
57 - The sequence of 3 bases on tRNA which is complementary to condon of mRNA is called
Anticodon
58 - Which statement correctly describes the transcription of DNA?
It produces mRNA
59 - The basic structural unit of a chromosome is
Nuceleosome
60 - The first stage of development in which a cavity appears is the
Balastula
61 - Exposure to low temperature stimulates plants to flower. This is called
Vernalisation
62 - The cells present in testes and secrete testosterone are
Interstitial cells
63 - The type of learning in which there is loss or decrease in response to repeated stimuli
Habituation
64 - The one which causes contraction of wall of the uterus during and after birth
Oxytocin
65 - The one which is a weed killer
2 4-D
66 - Sleep movements are a type of
Turgor movements
67 - The one that stores calcium
Sarcoplasmic reticulum
68 - Which one of the following is most likely to occur in an animal during winter?
Thermogenesis
69 - Sebum produced from sebaceous glands in a mammal helps in
Protection against micro organisms
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