Biology Review Quiz: Photosynthesis & MoreOnline version
Science quiz on methods, genetics, atoms
1
Which conditions would cause a cell to switch from aerobic respiration to lactic acid fermentation?
2
In a dihybrid cross for seed shape (R = round, r = wrinkled) and seed color (Y = yellow, y = green), how many different phenotypes will appear in the offspring of RrYy × rryy?
3
A newly discovered species from the land of California exhibits opposable thumbs, forward-facing eyes, relatively large brain size. Based on these traits alone, this species is MOST likely to be classified within___.
4
Grade 8 students in a far village want to show that water is needed for photosynthesis. They have local plants, sunlight, and different amounts of water — but no tools to measure gas exchange. Given the limited resources, which of the observable changes in the plant could serve as an indirect indicator of the effect of water on photosynthesis? Changes in the ___. I. leaf color II. plant's overall height. III. number of leaves produced IV. number of flowers produced
5
Which type of bacteria converts atmospheric nitrogen into ammonia, a form of nitrogen that plants can grow?
6
The element Carbon has 6 protons and 6 neutrons; what is the atomic mass of carbon?
7
Which statement correctly describes the relationship between photosynthesis and respiration?
8
Which statement correctly compares aerobic and anaerobic respiration?
9
The pedigree shown illustrates how albinism (Causes very pale skin, white hair, and light-colored eyes), an autosomal recessive trait, is passed down in a family. Which statement BEST describes the genetic condition of the parents depicted in the pedigree?
10
Which BEST explains the importance of 6- kingdom classification of organisms?
11
Which is the CORRECT order of the atomic models from earliest to most recent?
12
Which of these materials is released as waste from the light-dependent reaction?
13
Which process converts light energy into chemical energy in the form of glucose?
14
Which gas is required for aerobic respiration to happen?
15
Which is the CORRECT chemical equation for photosynthesis?
16
Which BEST describes the primary difference between the light-dependent and light-independent reactions?
17
Which pair correctly lists the products of the light-dependent reactions that power the Calvin cycle?
18
Which part of the leaf is described as the main photosynthetic layer made of tightly packed cells full of chloroplasts, where most food is made?
19
The respiration equation shows: C₆H₁₂O₆ + 6O₂ → 6CO₂ + 6H₂O + ATP. How is it related to the photosynthesis equation?
20
A greenhouse grower increases light intensity but keeps CO₂ levels very low. What will happen to glucose production? It will ________________.
21
A student claims: \"The dark reaction only happens at night.\" Which statement can justify this claim?
22
When a plant cell is shifted from bright sunlight to a dark environment, which process stops FIRST, what is the immediate effect on the Calvin cycle?
23
A scientist observes that two traits in fruit flies almost always appear together in offspring, and rarely separate. Which conclusion is correct?
24
Which Mendelian law is the basis for the results observed in a dihybrid cross? Law of _______.
25
If a Punnett square shows that 4 out of 4 offspring have the same genotype, what must be true about the parents?
26
For a trait controlled by two alleles (B = dominant, b = recessive), which cross will produce offspring with a 1:2:1 genotype ratio?
27
Which kingdom contains organisms that are primarily decomposers and absorb nutrients from their environment?
28
Which is the correct order of the 8 hierarchical taxonomic levels from BROADEST to MOST SPECIFIC?
29
Which pairs belong to the SAME Kingdom?
30
27. Which statement BEST describes the importance of Kingdom Animalia to humans and the environment? Animals ____________________
31
Which statement BEST describes why humans are classified as mammals? Humans have __________.
32
The discovery of extremophiles significantly impacted our understanding of life's diversity and led to the three-domain system. Which BEST explains the importance of extremophiles in this context? Extremophiles are__________.
33
Which scientist is credited with proposing the first modern Atomic Theory, describing atoms as solid, indivisible spheres like billiard balls?
34
A platinum atom has a mass number of 195 and contains 78 electrons. How many protons and neutrons do it contain, and what is its charge?
35
In Rutherford’s Gold Foil Experiment, most particles passed straight through. What did this reveal about the atom?
36
Which statement BEST describes the nucleus of an atom?
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