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VOCABULARY

Thorough

thor‧ough /ˈθʌrə $ ˈθʌroʊ, ˈθʌrə/ adjective

✏️Word Family:

▪Noun: Thoroughness

▪Adverb: Thoroughly

✏️Definition: being all that is needed; complete

✏️Examples:

a. The police made a thorough search of the house after the crime had been reported.

b. My science teacher praised Sandy for doing a thorough job of cleaning up the lab.

c. Mom decided to spend the day in giving the basement a thorough cleaning.

Phya

41. Competition between species will be greatest if they attempt to occupy the same
A. Ecosystem
B. Community
C. Habitat
D. Niche
Hide Answer

Answer: Option D

42. In most ecosystems, the greatest amount of energy flows through the
A. Secondary consumers
B. Herbivores
C. Carnivores
D. Decomposers
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Answer: Option B

43. Which of the following relationship is NOT an example of symbiosis?
A. Rhizobium and leguminous plants
B. Marchantia sporophyte and gametophyte
C. Algae and fungi in a lichen
D. Mycorrhizal fungi and tree roots
Hide Answer

Answer: Option B

44. Animals with the greatest number of similarities are grouped together in a/an
A. Phylum
B. Family
C. Genus
D. Order
Hide Answer

Answer: Option C

45. The one which is present in all aerobic species
A. Cytochrome c
B. Cytochrome a
C. Cytochrome a3
D. Cytochrome b
Hide Answer

Answer: Option A

46. The structure which has been formed or modified from gill pouches in humans is
A. Gills
B. Eustachian tube
C. Middle ear
D. Lungs
Hide Answer

Answer: Option B

47. The first eukaryotes appeared about __ years ago
A. 1.5 billion
B. 2.5 billion
C. 3.5 billion
D. 4.5 billion
Hide Answer

Answer: Option A

http://wa.me/923109553712

48. According to Lamarck evolution occurred as the result of
A. Natural selection
B. The theory of recapitulation
C. Inheritance of acquired characters
D. Overproduction
Hide Answer

Answer: Option C

49. The disease in which transmembrane carrier for the chloride ion is not produced is
A. Hypercholesterolemia
B. Cystic fibrosis
C. Severely combined immunodeficiency syndrome
D. AIDS
Hide Answer

Answer: Option B

50. The one which can break open a plasmid ring is
A. Ligase enzyme
B. Primase enzyme
C. Restriction endonuclease
D. ATP-ase enzyme
Hide Answer

Answer: Option A


Biology Diagnostic Test MCQs

51. A genome is
A. The appearance of an individual
B. Genetic basis of few characters
C. Full set of genes of an individual
D. All of these
Hide Answer

Answer: Option C

52. Genes will not be found in gene pairs in the
A. Muscle cell of worm
B. Uterine cells of the dog
C. Sperm cells of the frog
D. Guard cells of the leaf
Hide Answer

Answer: Option C

53. The red-green color blindness is the sex-linked recessive condition in man. A father with normal vision and a color-blind mother would expect to produce.
A. Colorblind sons and daughter with normal vision
B. Sons with normal vision and color blind daughters
C. Colorblind sons color blind daughters and daughters with normal vision
D. Sons with normal vision color blind daughter and daughters with normal vision
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Answer: Option A

54. Which one of the following stage precedes mitosis during cell cycle?
A. G1 phase
B. S phase
C. G2 phase
D. M phase
Hide Answer

Answer: Option C

55. Which one of the following syndrome is the result of meiotic nondisjunction?
A. Klinefelter’s syndrome
B. Turners syndrome
C. Downs syndrome
D. All of these
Hide Answer

Answer: Option D

56. Which one of the following is correct sequence of stages of prophase 1 of meiosis
A. Diakinesis diplotene pachytene leptotene zygotene
B. Zygotene leptotene pachytene diplotene diakinesis
C. Leptotene zygotene pachytene diplotene diakinesis
D. Pachytene leptotene diplotene zygotene diakinesis
Hide Answer

Answer: Option C

57. In humans the number of tetrads formed during mitosis is
A. 23
B. 46
C. 0
D. 4
Hide Answer

Answer: Option C

58. The sequence of 3 bases on tRNA which is complementary to Condon of mRNA is called
A. Gene
B. Anticodon
C. Code
D. Codon
Hide Answer

Answer: Option B

59. Which statement correctly describes the transcription of DNA?
A. It produces another DNA molecule
B. It produces mRNA
C. It is a semi conservation process
D. It occurs at the surface of ribosomes
Hide Answer

Answer: Option B

60. The basic structural unit of a chromosome is
A. The centromere
B. Nucleosome
C. Telomere
D. Histone
Hide Answer

Answer: Option B

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⭕️Say and Tell.

❌Don't say: He told, 'I will/ll go home.' He told that he'd go home.

✔️Say: He said, 'I will/'ll go home.' He said that he'd go home.

⭕️Make and Do.

🔴(a) Make.

❌Don't say: The carpenter did a large table.

✔️Say: The carpenter made a large table.

🔴(b) Do.

❌Don't say: You must make your work carefully.

✔️Say: You must do your work carefully.

⭕️Lie and Lay.

🔴(a) Lie.

❌Don't say: I'm going to lay down for an hour.

✔️Say: I'm going to lie down for an hour.

🔴(b) Lay.

❌Don't say: Please lie the exam papers on the desk.

✔️Say: Please lay out the exam papers on the desk.

⭕️Sit and Seat.

🔴(a) Sit.

❌Don't say: We seat at a desk to write a letter.

✔️Say: We sit at a desk to write a letter.

🔴(b) Seat.

❌Don't say: He sat the passengers one by one.

✔️Say: He seated the passengers one by one.

⭕️Rise and Raise.

🔴(a) Rise.

❌Don't say: Val raises very early in the morning.

✔️Say: Val rises very early in the morning.

🔴(b) Raise.

❌Don't say: She rose their salaries too often.

✔️Say: She raised their salaries too often.

⭕️Stay and Remain.

🔴(a) Stay.

❌Don't say: We remained in a very good hotel.

✔️Say: We stayed in a very good hotel.

🔴(b) Remain.

❌Don't say: Not many figs have stayed on the tree.

✔️Say: Not many figs have remained on the tree.

⭕️Hanged and Hung.

🔴(a) Hanged.

❌Don't say: No-one has been hung in Britain since 1964.

✔️Say: No-one has been hanged in Britain since 1964.

🔴(b) Hung.

❌Don't say: We hanged the picture on the wall.

✔️Say: We hung the picture on the wail.

⭕️Wear and Put on.

🔴(a) Wear.

❌Don't say: Kathy always puts on black shoes.

✔️Say: Kathy always wears black shoes.

🔴(b) Put on.

❌Don't say: I wear my clothes in the morning.

✔️Say: I put on my clothes in the morning.

⭕️Tear and Tear up.

🔴(a) Tear.

❌Don't say: John tore up his coat on a nail.

✔️Say: John tore his coat on a nail.

🔴(b) Tear up.

❌Don't say: Philip was angry and tore the letter.

✔️Say: Philip was angry and tore up the letter.

⭕️Grow and Grow up.

🔴(a) Grow.

❌Don't say: These flowers grow up very quickly.

✔️Say: These flowers grow very quickly.

🔴(b) Grow up.

❌Don't say: When I grow I'll be a doctor.

✔️Say: When I grow up I'll be a doctor.

⭕️Pick and Pick up.

🔴(a) Pick.

❌Don't say: We picked up flowers in the garden.

✔️Say: We picked flowers in the garden.

🔴(b) Pick up.

❌Don't say: The naughty boy picked a stone.

✔️Say: The naughty boy picked up a stone.

⭕️Deal with and Deal in.

🔴(a) Deal with.

❌Don't say: This book deals in common errors.

✔️Say: This book deals with common errors.

🔴(b) Deal in.

❌Don't say: A bookseller deals with books.

✔️Say: A bookseller deals in books.
To deaf with means to have to do with, to deal in means.

1. (to let the cat out of the bag)
to reveal or tell a secret or a surprise by accident.

2. (to look down upon)
to consider someone or something as not important.

3. (to lose one's head)
to become confused or overly emotional about someone or something.

4. (to make no difference)
not to matter to someone.

5. (to make room for)
to provide space for someone or something.

6. (to put on weight)
to gain weight; to get fat.

7. (to rains cats and dogs)
raining very heavily.

8. (to run errands)
to take a short trip to do a specific thing.

9. (to run out of)
Exhaust a supply or quantity of something.

10. (to serve one right)
you deserve the punishment that you received.

🔵To sit on the fence🔵

📌= to be uncommitted or undecided

📌= to remain neutral on a certain topic

📌= to not have a stance or open opinion about a topic

📌= to be unable or unwilling to commit oneself to one side of an argument or dispute


🔵Example sentences:

📍The politician did not commit himself to either side of the reporter’s controversial question.

📍He just sat on the fence so as not to lose votes from either side.

📍You can’t sit on the fence any longer you must choose whose side you are on.

📍You have to choose whether you support the candidate or not.

📍You can’t sit on the fence right now, you must vote!

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▪️@iqra42 | القرآن الكريم
▪️@English_yemen2019|أتقن الانجليزية
▪️قنوات متميزة ومحافظة ♡
[طبية💊 ،تعليمية✏️ ، دينية🌸 ،
ثقافية📚 ، برمجية♻️ ، هادفه⚠️ ]
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