Mathematics questions for Grade 12
Unit 2

SAT questions about word analogy for grade 12 students.

I choose the best answer!
1. HAND : FINGER :: FOOT : ?
    A) TOE
    B) LEG
    C) ANKLE
    D) SHOE
2. SUN : SOLAR :: MOON : ?
    A) LUNAR
    B) NIGHT
    C) DARK
    D) STAR
3. BIRD : WING :: FISH : ?
    A) SCALE
    B) FIN
    C) WATER
    D) GILLS
4. HAPPY : JOYFUL :: SAD : ?
    A) ANGRY
    B) DEPRESSED
    C) TIRED
    D) SLEEPY
5. TREE : FOREST ::  FLOWER : ?
    A) GARDEN
    B) PLANT
    C) SEED
    D) STEM
6. DOCTOR : PATIENT :: TEACHER : ?
    A) CLASSROOM
    B) STUDENT
    C) BOOK
    D) SCHOOL
7. PAINTBRUSH : ART ::  HAMMER : ?
    A) WOOD
    B) NAIL
    C) CARPENTRY
    D) HOUSE
8. CLOCK : TIME ::  THERMOMETER : ?
    A) HEAT
    B) TEMPERATURE
    C) WEATHER
    D) COLD
9. KEY : LOCK ::  SWITCH : ?
    A) LIGHT
    B) DOOR
    C) ELECTRICITY
    D) WALL
10. COLD : ICE ::  HOT : ?
    A) FIRE
    B) SUN
    C) LAVA
   D) HEAT
11. WRITER : PEN ::  SCULPTOR : ?
    A) CLAY
    B) MARBLE
    C) CHISEL
    D) ART

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Which of the following statement is true?
A. All rational functions can be polynomial functions.
B. All polynomial functions can be rational functions.
C. All constant functions can not be rational functions.
D. All zero functions can not be a polynomial functions.

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BIOLOGY QUESTIONS GRADE 12 UNIT ONE(1)
Choose the correct answer.
1. The organisms received genetic material from different species is called____
A. Transgene
B. Mammals
C. Transgenic
C. Insects.
2. Which is application of biology in food processing?
A. Mycoprotein
B. Single celled protein
C. Pruteen
D. All
3. Which of the following the first vitamin produced by fermentation process by using bacteria?
A. Vitamin A
B. Vitamin C
C. Vitamin B2
D. Vitamin B12
4. Which of the following organisms used to fermented meats
A. Pediococcus cerevisiae
B. Lactobacillus plantarum
C.Lactobacillus bulgaricus
D. A an B
5. The process separate alcohol and other volatile substance from solid is ____
A. Fermentation
B. Distillation
C. Respiration
D. Photosynthesis
6. Which one is the end product of beer production?
A. Ethyl alcohol
B. CO2
C. Isoamyl alcohol
D. Acetic acid
E. All
7. Sour dough bread gets its unique tang from__
A. Lactobacillus acidophilus
B. Lactobacillus sanfrancise
C. Lactobacillus thermophilis
D. All
8. The process separate metal from ore by using microorganisms is known as
A. Bioremediation
B. Biohydrometallergy
C. Biotransformation
D. Biosensor
9. Which of the following not recently application of biosensor?
A. Detect of herbicide
B. Detect of pathogens
C. Detect of glucose
D. Detect of protein and DNA.
11. What is the function of germinated in beer production?
A. Kill wild yeasts
B. Increase the concentration of starch.
C. Remove bacteria from the beer
D. All are correct Answer.
12. Which one is incorrect statement?
A. Primary water treatment is removal of floating object.
B. Secondary water treatment is microbial oxidation or remove microbial from water
C. Secondary water treatment is further reduction of in BOD
D. None of the above.
13. What is the most profilic source of antibiotics?
A. Penicillin
B. Actinomycete
C. Viruses
D. Enzymes
14. Which of the following measure the amount of oxygen needed by microorganisms to oxidized their organic content?
A. Enzymes
B. BOD
C. NAD
D. RNA
15. Genetics engineering is being used in the production of:
A. Genetraphy
B. Pharmaceuticals
C. Transgenic plants and animals
D. All.