+1 class biology paper december 2020 ka kisi ke pass paper hai to plz send .....
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DNA, RNA, and Genetics
Which is the sequence of the transfer of information in most organisms?
protein to DNA to RNA
RNA to DNA to protein
DNA to RNA to protein
RNA to protein to DNA
Grade 11 Skin, Skeleton, and Muscles
Write the letter (A - V) of the bone that corresponds with the listed bones of the skeletal system.
Skeleton
Tarsals T
Scapula D
Tibia S
Vertebral column H
Patella Q
Skull/Cranium A
Humerus F
Femur P
Sacrum J
Sternum E
Metacarpals N
Pelvic girdle/Coxal I
Radius K
Mandible B
Phalanges O & V
Ribs G
Carpals M
Metatarsals U
Ulna L
Clavicle C
Fibula R
Grade 11 DNA, RNA, and Genetics
The passing of traits from parent to offspring is
genetics.
heredity.
traits.
Punnett squares.
Grade 11 Nervous and Endocrine Systems
Write the letter (A - F) that corresponds with each neuron structure listed below.
Neuron
Myelin sheath D
Cell body (soma) B
Axon E
Dendrite A
Synaptic knob (axon terminal button) F
Nucleus C
Grade 11 Biochemical Pathways
Which chemical equation correctly represents photosynthesis?
H2O+CO2+sunlight→O2+glucose
H2O+O2+sunlight→CO2+glucose
O2+glucose→H2O+CO2+energy
CO2+glucose→H2O+O2+energy
Which molecule serves as the main food source for most known cells?
sucrose
cellulose
PGAL
glucose
Grade 11Nervous and Endocrine Systems
Write the letter (A, B, C, or D) that corresponds with each lobe of the brain.
Brain Lobes
Occipital lobe C
Frontal lobe A
Temporal lobe D
Parietal lobe B
Grade 11Cell Structure and Function
Which is a function of the plasma membrane?
breaks down lipids, carbohydrates, and proteins from foods
stores water, salt, proteins, and carbohydrates
keeps the cell wall in place
regulates which materials enter and leave the cell
Grade 11Nervous and Endocrine Systems
Anything that causes a response from an organism is a(n)
response.
stimulus.
irritablilty.
technique.
Grade 11Communities, Populations, and Ecosystems
Which scenario best illustrates the concept of carrying capacity?
The exponential growth of a fruit fly population continues to increase and will eventually double in ten days.
The exponential growth of ants increases dramatically when its competitor species is forced to move due to habitat loss.
The logistic growth of a giraffe population continues to decline due to the increase in number of predators.
The logistic growth of a bunny population has stabilized because the population has reached the largest numbers that the area can support.
Grade 11DNA, RNA, and Genetics
Mutations are a source of
genetic equilibrium.
disruptive selection.
speciation.
genetic variation.
Grade 11Evolution
Breeding cats to produce only white ones is an example of
modification selection.
breed selection.
natural selection.
artificial selection.
Grade 11Biogeochemical Cycles
What is the role of nitrogen-fixing bacteria in the nitrogen cycle?
They create acid rain.
They cause algal blooms.
They make nitrogen into a more useful form.
They move water through the environment.
Grade 11Human Reproduction
What is the female cell of reproduction?
ovary
egg
Grade 11DNA, RNA, and Genetics
The gene combination of two dominant genes or two recessive genes is
phenotype.
genotype.
heterozygous.
homozygous.
Grade 11Macromolecules
Which is a general term attributed to a large and complex molecule?
nucleic acid
macromolecule
polymer
phosphate
Grade 11Respiration, Digestion, and Excretion
Write the letter (A - M) that corresponds with each structure of the digestive system.
Digestive System
Anus M
Stomach F
Mouth A
Large Intestine I
Liver E
Appendix K
Gallbladder G
Pancreas H
Pharynx C
Small Intestine J
Esophagus D
Rectum L
Tongue B
Grade 11Cell Structure and Function
This question is a part of a group with common instructions. View group »
One feature distinguishing plant cells from animal cells is the presence of
a plasma membrane.
a cell wall.
cytosol.
mitochondria.
Grade 11Food Chains and Webs
In the food chain of plants --> mouse --> snake --> hawk, what might happen to the mouse population if snakes are removed from the ecosystem?
The mouse population will decrease.
The mouse population will increase.
The mouse population will stay the same.
It is impossible to predict.
Grade 11Biogeochemical Cycles
This question is a part of a group with common instructions. View group »
What is the process by which carbon is released into the atmosphere from cars, homes, and factories?
respiration
transpiration
photosynthesis
combustion
Explanation:
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