SST Biology and Chemistry Paper 28 Feb 2021 PDF

Islamic Studies

Q. Which Prophet has been mentioned the most in Holy Quran?
Answer: Prophet Musa (AS)
Q. Give the name, who compiled first work of Hadith Sahifa-e-Sadiqa?
Answer: Hazrat Abdullah bin Amr (رضہ)
Q. Ayatul Kursi is located in which Para of the Holy Quran?
Answer: 3rd
Q. In which hijri year Qibla was change?
Answer: 2
Q. Shab-e-Miraj incident takes place on _____?
Answer: 27 Rajab

English Grammar

Q. Can you please give me _____ coffee?
Answer: Some
Q. The Synonym of Wearing away is?
Answer: Erosion
Q. The Antonym of Cling is?
Answer: Cede
Q. Choose the correct sentence:
Answer: When you say so, I must take it seriously.
Q. She _____ a novel at present.
Answer: Is reading
Q. It is not a light affair. Here ‘light’ is?
Answer: Adjective
Q. He avenged himself _____ his enemies.
Answer: On
Q. The Synonym of Word list is?
Answer: Glossary
Q. The Antonym of Answer is?
Answer: Defiance (in context of some tests) / None of these
Q. _____ 1,000 species of finch have been identified.
Answer: As many as
Q. The Synonym of DECIMATE is?
Answer: Both A and B (Destroy / Kill)
Q. I know that you _____ forty on your last birthday.
Answer: Were
Q. Choose the correct indirect speech: She said to us, “Keep quiet over here.”
Answer: She directed us to keep quiet over there.
Q. He _____ for Lahore before I came.
Answer: Had left
Q. Choose the correct sentence:
Answer: I consider it a foolish scheme.
Q. The greater the demand _____ the price.
Answer: The higher
Q. He ______ French by next year.
Answer: Will have learned
Q. The little one cried for enjoy. Here ‘one’ is?
Answer: Pronoun
Q. My friend will accede ______ my wishes in this matter.
Answer: To
Q. The Synonym of Malice is?
Answer: Hatred

Pakistan Studies & Current Affairs

Q. When Muhammad Ali Jinnah gave 14 points?
Answer: 1929
Q. In Jhansi, the Muslim revolutionaries were led by _____?
Answer: None of these (The uprising was led by Rani Lakshmi Bai)
Q. Pakistan provides transit facilities to Afghanistan and landlocked countries of ______?
Answer: Central Asia
Q. The step which ignited the War of Independence was the ______?
Answer: Introduction of greased cartridges

General Knowledge / Pedagogy

Q. The use of technology to enhance learning process in education is called _____?
Answer: ICT
Q. Which from the following should be used to decrease minor inappropriate behaviour?
Answer: Ignorance
Q. A scoring guide use to evaluate the quality of students is called?
Answer: Rubrics
Q. The value of satisfaction in _____ is emphasized by the psychologist now a days.
Answer: Learning
Q. Which of the following is not a Cardinal direction?
Answer: Northeast
Q. The real goal of education should be _____?
Answer: Acquiring skills, habits and knowledge
Q. A team coach who benches a player for poor performance is using _____?
Answer: Punishment
Q. Individual counseling, the counselor arranges visits with the _____?
Answer: Students
Q. _____ is a sign of motivated teaching.
Answer: Questioning by students

Biology / Zoology / Botany

Q. Which of the following is commonly known as horse-tail?
Answer: Equisetum
Q. Red blood cells that do not contain either A or B antigens on their surface are normally found in type _____?
Answer: O
Q. The botanical name of Ginger is _____?
Answer: Zingiber Officinale
Q. Funaria is included in class _____?
Answer: Bryopsida
Q. All of the following are hydrophytes except?
Answer: Euphoria
Q. The food chain in which plant material is converted into dead organic matter is called _____?
Answer: Detritus food chain
Q. The prairie dogs, buzzards, opossums and mountain dogs are found in ______?
Answer: Nearctic region
Q. Lizards and snakes are included in order _____?
Answer: Squamata
Q. Hirudinaria is included in phylum _____?
Answer: Annelida
Q. The coral reefs lying close to the shore of some volcanic island are termed as _____?
Answer: Fringing reef
Q. The cockroaches are _____?
Answer: Omnivores
Q. Meissners corpuscles in the skin are the examples of _____?
Answer: Mechanoreceptors
Q. The gene for Blood group is present on Chromosomes number ______?
Answer: 9
Q. Which of the following are used to select genes of interest from a genomic library?
Answer: Probe
Q. Symptoms of secondary syphilis include ____?
Answer: All of these
Q. Which one of the following systems controls reflex action?
Answer: Central nervous system (Spinal cord)
Q. Sabin vaccine is used against _____?
Answer: Polio
Q. Which of the following is not a characteristic of dinoflagellates?
Answer: Their cells are often covered with shells of… impregnated with calcium (They are usually cellulose)
Q. Which of the following is a chemical link between catabolism and anabolism?
Answer: ATP
Q. A protein coat surrounding a genetic core best describes a _____?
Answer: Virus
Q. Cellulose is an important structural component of the ______ of green plants.
Answer: Primary cell wall
Q. Which of the following statements about circulatory systems is true?
Answer: Hormones are transported in the blood
Q. Which of the following phase is designated by DNA replication?
Answer: S phase
Q. Gut disorder in which inner wall of gut become sore is _____?
Answer: Ulcer
Q. Malaria Italian word in which “aria” refers to _____?
Answer: Air

Chemistry

Q. Rutherford’s used thin gold foil in his experiment because ______?
Answer: Easily hammered to a very thin film
Q. When ethanol is taken and temperature is kept 170°C. On dehydration with concentration H2SO4 it gives a molecule of _____?
Answer: Ethene
Q. In which of the following disaccharides both the basic structural units are the same?
Answer: Maltose
Q. Freon and Bromine containing halons become dangerous when exposed to _____?
Answer: Stratosphere
Q. The oxidation states of Nitrogen in NH4NO3 are _____?
Answer: -3 and +5
Q. Barium (Z = 56) has 2 electrons in valence shell. Maximum number of electrons in the penultimate shell?
Answer: 18
Q. What is the number of sulphur atoms in 64 g of S8?
Answer: 2NA
Q. What is the equilibrium constant (Kc) for the given NO and CO2 reaction?
Answer: 4.0
Q. Which one is more acidic?
Answer: Bread
Q. NH4Cl contains _____?
Answer: All of these (Ionic, Covalent, and Coordinate Covalent)
Q. Which one is more acidic?
Answer: Ethane thiol
Q. An alkene “X” on ozonolysis gives CH3CH2COCH3 and CH3CHO. The IUPAC name is?
Answer: 3-Methyl-2-Pentene
Q. Calcium propionate and calcium acetate on heating together produce ______?
Answer: Ethyl methyl ketone
Q. [Cu(en)2]^+². The coordination number of the given complex is?
Answer: 4
Q. According to Beer-Lambert law, A stand for absorbance. It has the unit of _____?
Answer: It has no unit
Q. Which one is more acidic?
Answer: p-nitrophenol
Q. Which cannot undergo Aldol condensation reaction?
Answer: Both B and C (Benzaldehyde and Formaldehyde)
Q. 3-Hexanone on oxidation gives the major product ____?
Answer: Propionic acid
Q. In d-block elements the irregularity in configuration occurs in _____?
Answer: All of these
Q. Which one is a stronger Lewis Base?
Answer: Pyridine
Q. Orbitals having n + l = 4 are _____?
Answer: 3p
Q. Which one has Prussian blue colour?
Answer: Both (A) and (B) (Different names for same compound)
Q. The compound 1, 2–Butadiene has _____?
Answer: Sp & Sp² hybridized C-atoms
Q. The I.U.P.A.C name of Adipic acid is ______?
Answer: Hexane—1, 6–dioic acid
Q. Aldehydes and ketones undergo ______?
Answer: Nucleophilic addition

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