MDCAT BIOLOGY FLP-11(SMART INSTITUTE)
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01-Where can viruses replicate?
Animals
Bacteria
Plants
All
02-These are the largest animal viruses:
HIV
Covid-19
Poxviruses
HBV
03-Viruses don't have
Fossil record
Reproductive ability
Traces in history
Nucleic acid
04-In plants, tumors are induced due to:
Bacteria
Fungi
Virus
All of these
05-Cell theory does not explain:
Fungi
Virus
Algae
Protista
06-Fermentation products produced by the yeast are:
H2O + CO2
Methyl Alcohol + CO2
Methyl Alcohol + O2
Ethyl Alcohol + CO2
07-In anaerobic respiration only ..... % of the energy present within the chemical bond of glucose is converted into ATP.
1
2
3
4
08-In WOF component of the body, lactic acid fermentation takes place?
Heart
Brain
Liver
Muscles
09-In alcoholic fermentation, pyruvic acid is broken down into?
Acetaldehyde
Methyl alcohol
Ethyl alcohol
Lactic acid
10-Pyruvate is broken down to .... In yeast.
Acetly CoA
Alcohol
Lactic Acid
All of these
11-WOF is a trace element?
Hydrogen
Copper
Oxygen
Carbon
12-In catabolic reaction ..... Free the ..............
Fatty acids, polysaccharides
Proteins, amino acids
Lipids, glucose
None of these
13-WOF is a chemical link between catabolism and anabolism?
AMP
ADP
ATP
All of these
14-Cellulose is the major component of
Primary wall
Secondary wall
Middle lamella
All of these
15-The outermost layer is a typical plant cell would be
Primary cell wall
Secondary cell wall
Midddle lamella
Cell surface membrane
16-A plant cell wall is mainly composed of WOF?
Protein
Starch
Cellulose
Lipid
17-The first layer of cell wall which is formed is called?
Primary wall
Secondary wall
Middle lamella
All of these
18-Secondary cell wall of sclerenchyma cells is impregnated with?
Cellulose
Lignin
Murein
Pectin
19-Which part of NS controls actions like walking and running?
Somatic nervous system
Parasympathetic nervous system
Sympathetic nervous system
Peripheral nervous system
20-WOF does not form part of the central nervous system?
Brain
Spinal cord
Brain stem
Spinal nerves
21-Central nervous system consists of:
Brain and spinal cord
Cerebrum and spinal column
Spinal nerves only
Cerebellum and brain stem only
22-Nervous system is absent in:
A) Sycon
B) Euplectella
C) Jelly fish
Both a and b
23-Brachial plexus supply to:
Heart
Upper limbs
Lower limbs
Abdomen
24-The fate of each blastomere is foretold. What will be the cleavage?
Spiral and indeterminate
Radial and indeterminate
Radial and determinate
Spiral and determinate
25-All of the following coelenterates show alternation of generation except:
Hydra
Obelia
Aurella
All of these
26-Which system is present in Nematode?
Sac-like digestive system
Circulatory system
Respiratory system
Tube-like digestive system
27-These give rise to nematocysts in Cnidaria:
Cnidocytes
Gastrozooids
Hydrozoids
Mesoglea
28-Typically spiders' blood is blue due to the presence of WOF?
A) haemoglobin
B) haemoerhthrin
C) haemocyanin
Both b and c
29-The reaction will proceed faster if the activation energy is?
High
Low
Remains same
None of these
30-The energy required to start a reaction is called:
Startup energy
Initial energy
Point energy
Activation energy
31-The process that has transformed life on earth from its earliest form to vast diversity is?
Mutation
Evolution
Migration
Genetic drift
32-Concept of evolution was first presented by WOF scientists?
Lamarck
Aristotle
Wallace
Darwin
33-Earliest form of life on Earth:
Virion
Viroid
Prion
None
34-During Aristotle time, it was that:
Organisms ranged from simple to complex
One type of organism give rise to another type of organism
Both of above
All living things specially created by nature
35-Methanopyrus kandleri is an organism which lives in a hydrogen-carbon dioxide environment, and was first discovered in a hydrothermal vent where temperature reached 230'F. What sort of organism is this?
Protist
Cyanobacteria
Archaea
Bacteria
36-The venous flower basket is also known as WOF?
Sycon
Leucosolenia
Spongilla
Euplectella
37-The upward movement of sap by the xylem is:
Ascent of sap
Plasmolysis
Deplasmolysis
Guttation
38-The attraction between water molecules and cell wall of xylem is termed as:
Cohesion
Tension
Adhesion
Imbibition
39-Deficiency of which element causes yellowing in plants?
Magnesium
Iron
Chlorine
Oxygen
40-WOF is incorrect for ascent of sap?
Water potential
Cohesion tension
Root pressure
Imbibition
41-Cyanobacteria have WOF type of cell wall?
Gram positive
Gram negative
Cellulose
Acid phosphate
42-In a bacterial cell, plasma membrane with all things present within it is called:
Cytoplamsic matrix
Cytoplasm
Protoplast
Cell structure
43-Prokaron means before nucleus is word of .... language.
Duthch
Greek
Roman
Spanish
44-Microbiologist place bacteria in following major categories:
Archaeobacteria and vibrio bacteria
Eubacteria and streptococus
Eubacteria and archaeobacteria
Cyanobacteria and archaeobacteria
45-The prokaryotic life is characterized by:
Absence of locomotion
Absence of nuclear envelop
Absence of protein
Absence of nuclear material
46-In the male reproductive tract, sperm cells follow a specific path. Where sperm cells enter after traveling through the epididymis?
Urethra
Seminiferous tubules
Ejaculatory duct
Vas deferens
47-The epididymis, vas deferens, and urethra are a series of ducts found in which body system?
Endocrine
Lymphatic
Digestive
Male reproductive
48-Sperms are produces in:
Urethra
Pancreas
Sperm duct
Testis
49-Spermatids differentiate into:
Spermatozoa
Mature sperms
Primary oocyte
Secondary spermatocyte
50-The primary spermatocytes undergo meiotic division to form:
Spermatozoa
Secondary spermatocyte
Primary oocyte
Mature sperms
51-Cartilage is a form of:
Cardiac tissue
Connective tissue
Epithelilal tissue
Nervous tissue
52-Which type of cartilage is the most abundant in human body?
Hyaline cartilage
Elastic cartilage
Fibrocartilage
None of these
53-WOF is not an important function of bone?
Regulation of ion concentration
Muscular contration
Organ and nerve protection
Regulation of pH through hydration
54-WOF cells secrete flexible, elastic, non-living matrix collagen?
Osteocytes
Osteoclasts
Chondrpcytes
Osteoblasts
55-Cartilage has living cells that are called:
Osteocytes
Osteoblasts
Osteoclasts
Chondrocytes
56-How many pairs of homologous chromosomes are present in Pisum sativum?
5
6
7
8
57-A certain type of plant is only tall when it has a heterozygous genotype. If two heterozygous plants are crossed, what is the probability of their offspring will also be tall?
25%
1
50%
75%
58-A pure breeding tall pea plant was crossed to dwarf plant. What will be the frequency of dwarf plants in F2?
0.25
0.5
0
1
59-Phenotypic ratio of F2 generation of monohybrid cross:
3:1
9:3:3:1
1:2:1
9:1
60-What is phenotypic ratio for a cross between a plant with blue flowers BB and a plant with white flowers bb?
25% blue, 75% white
75% blue, 25% white
All white
All blue
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