Advanced level 2024 CASPA mock biology 1
Advanced level 2024 CASPA mock biology 1
A group of organisms with a common genetic code
capable of interbreeding to produce fertile offsprings
belongs to which taxonomic hierarchy below)
A. A . Kingdom
B. Class
C. Family
D. Species
2. In the five kingdom scheme of classification, organisms
are grouped based on
A. Differences
B. Similarities
C. Structural differences and similarities
D. Differences and similarities
3. All are major elements of organic molecules except
A. Iron
B. Carbon
C. Hydrogen
D. Oxygen
4. A bond between two monosaccharide molecules is
called
A. Ionic bond
B. Glycocidic bond
C. Peptide bond
D. covalent bond
5. All enzymes are
A. functional proteins
B. globular proteins
C. structural proteins
D. conjugated proteins
6. The rate of an enzyme catalyzed reaction drops above
the optimum temperature because
A. Catalysis has stopped
B. Enzyme has overworked
C. Enzyme has lost its configuration
D. Temperature is too high
7. An organelle that plays a vital role in protein synthesis
A. Cytoplasm
b. Ribosome
C. Mitochondrion
D. Endoplasmic reticulum
8. Anaerobic respiration in the cell occurs precisely in.
A. mitochondrion
B. Nucleus
C. Cytoplasm
D. Golgi body
9. All are tissues made up of one type of cell except
A. Parenchyma
B. Collenchymas
C. Sclerenchyma
D. Xylem
10. A joint between the bones of the skull is called.
A. Fixed joint
B. Surture
C. Movable joint
D. Synovial joint
Questions 11 -15 are based on the directions below.
Choose
A. If statement 1 and 2 are both true and statement 2
explains statement 1
B. If both statements are true but statement 2 does
not explain statement 1
C. If statement 1 is true and statement 2 is false
D. If statement 1 is false and statement 2 is true
Statement 1 Statement 2
11 Photosynthesis
produces more yields
in C4 plants
CO2 fixation occurs
twice in C4 plants
12 The right side of the
heart is thinner than
the left side
The right side of the
heart pumps blood
over a relatively
short distance at low
pressure.
13 In alpha-D glucose,
the OH group on
carbon atom 5 is to
the right
Alpha –D glucose is
an isomer
14 The red blood cells of
mammals carry more
o2 than co2
Haemoglobin
molecules are found
in solution when red
blood cells are put in
pure water
15 Every cell has a
potential difference
across its membrane
The cell surface
membrane of any
cell is made up of a
bipolar lipid layer
and sandwiched by a
protein layer.
16. in a counter current flow system during gaseous
exchange, the gills.
A. Water flows in a direction parallel to the flow of
blood
B. The rate of water flow is higher than the rate of
blood flow
C. Water flows towards the gills
D. Water flows in a direction opposite to the flow of
blood.
17. In C4 plants, the first noticable product is /
A. Oxaloacetic acid
B. Glyceride phosphate
C. Phosphoenol pyruvate
D. Glucose
18. A solution of higher solute potential and lower solvent
potential is said to be
A. Isotonic
B. Hypertonic
C. Hypotonic
D. Concentrated
19. A Q10 value in an exothermic organism indicates that
rate of metabolism
A. doubles when body temperatures increases by 10o
B. triples when body temperature increases by 10o
C. remains constant when body temperature
increases by 10o
D. doubles when body temperature decreases by 10o
20. Are an opportunistic species in an ecological
succession?
A. trees
B. shrubs
C. grass
D. bryophytes
In questions 21 – 25, each question has three sub answers
i, ii, ii. Choose
A. if i, ii, iii are all correct
B. if i and ii are correct
C. if ii and iii are correct
