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CBRC Yellowbook 3.0 / GenEd / General Sciences /50 Items/ Part 1

Total questions: 50

Worksheet time: 38mins

Name
Class
Date
1.

This is NOT one of Empedocles elements of inner energy that surrounds the Earth

a)

Gas

b)

Fire

2.

Which among the following is not good source of protein?

a)

Butter

b)

Peanuts

3.

Which is these biological organization including all of the others on the list: organ, atom, cell, molecule, organelle, tissue

a)

Organ

b)

Organ System

4.

Since tissue are made up of cell with different cells. What is only liquid tissue in a human body?

a)

Plasma

b)

Blood

5.

The level of biological organization that includes group of organisms in the same species:

a)

Population

b)

Community

6.

The level of biological organization thatincludess group of organisms in the different species

a)

Population

b)

Community

7.

The level of biological organization that includes both living and non-living things:

a)

Ecosystem

b)

Biome

8.

Which acts as the chemical recyclers changing complex matter into simpler mineral nutrients?

a)

Consumer

b)

Decomposer

9.

The following natural events can be traced through deforestation, except:

a)

Instinction of wildlife resources

b)

Soil erosions

10.

Which is true of prokaryotic cell?

a)

Its genome is made up of nucleoid

b)

Its genetic make-up is always made up of ribonucleic acid

11.

Which is true of eukaryotic cell?

a)

Can be unicellular and multi-cellular oganism

b)

Bacteria are also considered having this kind of cell.

12.

Which is NOT true of Cell Theory?

a)

Cells came from the pre-existing cells

b)

All organisms are made up of tissue

13.

These are the major elements of life, except:

a)

Flourine

b)

Nitrogen

14.

Which is not example of polymer compound?

a)

Lipids

b)

Nucleic acid

15.

What is the vitamin for bone development and plays a role for calcium regulation in the human body? Is it, water-soluble or fat-soluble vitamin?

a)

Vitamin B, Water-soluble vitamin

b)

Vitamin D, Fat-soluble vitamin

16.

Which is true of hypothesis?

a)

A hypothesis must be falsifiable

b)

A hypothesis is the data produced after the experiment

17.

Which is a variable designed to compare an experimental group?

a)

Controlled variable

b)

Intervening variable

18.

Which has the correct relationship?

a)

Atomic number = number of protons

b)

Mass number = number of electrons

19.

Which bond is connecting 2 non-metals with unequal sharing of electrons?

a)

Covalent polar bond

b)

Covalent non-polar bond

20.

What is the process unravelling the chain of polypeptide, losing their shape and its function?

a)

Conformation

b)

Denaturation

21.

What is the measure if clarity of an image in a microscope?

a)

Maginification

b)

Resolution

22.

What is the reason behind why mitochondria are the powerhouse of the cell?

a)

It is where the glycosylation happens

b)

It is where the cellular respiration happens

23.

Protein production is not only happens in ribosome, it may take also in:

a)

Endoplasmic reticulum

b)

Golgi Apparatus

24.

Prokaryotic and eukaryotic cell have similarities, except:

a)

Both have capsule

b)

Both have cell wall

25.

What theory states that mitochondria and chloroplast were formerly small prokaryotes that began living inside the larger cells?

a)

Spontaneous generation

b)

Endosymbiont Theory

26.

What is the single unit of chloroplast that is responsible for light-dependent reaction of photosynthesis?

a)

Granum

b)

Stroma

27.

Which among these organelles is directly involved in Structural Support, Movement, and Communication between Cells?

a)

Ribosomes

b)

Cytoskeleton

28.

Transformation from ADP to ATP is possible because of:

a)

Activation

b)

Phosphorylation

29.

Diffusion is an example of passive transport. How is it possible that diffusion can be an effective way in transporting molecules?

a)

It transport the molecules from lower to higher concentration

b)

It uses Brownian movement

30.

What is the ability of a surrounding solution causing a cell to gain or lose water?

a)

Turgor Pressure

b)

Tonicity

31.

When the water enters the cell, the cell shape becomes swell and eventually may burst. This is an example of:

a)

Hypotonic Solution

b)

Hypertonic Solution

32.

Sometimes, there are large molecules need to be transported across the membrane. Large molecules may be large amount of liquid or solid. What if a large molecule of solid is needed to be transported, what transport will be most beneficial?

a)

Phagocytosis

b)

Pinocytosis

33.

Enzymes are efficient and effective for the cell's chemical reactions. Which one does not describe it?

a)

It uses a lock-and-key reaction

b)

It increases the activation energy

34.

Cellular respiration is a metabolic process happening in different areas sequentially. It may happen first in the cytoplasm and eventually in mitochondria. What stage of cellular respiration takes place in cytoplasm?

a)

Glycolysis

b)

Krebs Cycle

35.

During the cellular respiration, what are the products in its Krebs cycle to be used in the production of ATP in Electron Transport Chain in mitochondria?

a)

6 NADH, 2 FADH₂

b)

4 CO₂, 2 NADH

36.

Plant cells use as healing and repair of tissues, storage of nutrients, and common site of photosynthesis. What are those?

a)

Parenchyma cell

b)

Meristematic cell

37.

Which is not true in photosynthesis?

a)

It reduces the carbon dioxide

b)

It oxidizes the glucose molecules

38.

How is the heat radiating from the warmed planet is absorbed by the gases in the atmosphere, which then reflect some of the heat back to Earth?

a)

Euthropication

b)

Greenhouse Effect

39.

What will be the possible consequence if the greenhouse gases increased?

a)

Acid Rain

b)

Global Warming

40.

How can you say the sexual reproduction is happening in the natural setting? If there is:

a)

Sex cell

b)

Fertilization

41.

Which may not cause a variation in the natural environment?

a)

Fertilization

b)

Mitosis

42.

What type of asexual reproduction is found on bees that even their unfertilized egg may become another complete body of a bee?

a)

Regeneration

b)

Parthenogenesis

43.

What is the phase when a cell's metabolic activity is very high and the cell performs its various functions within the organisms?

a)

Interphase

b)

Prophase

44.

How the karyotype of the chromosome is arranged?

a)

Based on size

b)

Based on the chromosome's ability to interact with other chromosome

45.

If the human organism has a Down Syndrome, this organism will be having a 3 copies on what pair of number of body chromosome?

a)

Chromosome no. 21

b)

Chromosome no. 23

46.

What happens during meiosis I?

a)

Homologous chromosome separate

b)

Sister chromatids separate

47.

What is the study of variations and the passing of traits from one generation to another generation?

a)

Genetics

b)

Heredity

48.

Mendel's Law of Segregation describes the inheritance of a single character. Which among these hypothesis is from the result of Mendel's experiment?

a)

If the two alleles of an inherited pair differ, then one determines the organism' appearance and the other has also has noticeable effect on the organism's appearance

b)

A sperm or egg carries only one allele for each inherited character because allele pairs separate from each other during the production of gametes

49.

Which component of nucleotide where the DNA and RNA is just the same?

a)

Fluorine group

b)

Phosphate group

50.

Who explained that Purines and Pyrimidines are specifically complements each other in every nucleic acid?

a)

Watson and Crick

b)

Chargaff