FULL BOOK BIOLOGY PAPER FIRST YEAR 2020

the paper of the biology 1st year 2020

1st-year biology guess paper 2020

1st-year biology guess paper 2019

11th class biology guess paper 2020

the first-year biology guess paper 2020

biology guess the paper 1st year 2020

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BIOLOGY CLASS 1ST YEAR FULL BOOK TEST MARKS=85 TIME:3H

Q#1 SELECT THE CORRECT OPTION.(17 marks)

The parameter which is not appeared due to population of an organism a)gene frequency b)gene flow c)gene distribution d)population density
Which of the following is a keto sugar: A) Glyceraldehyde C) Ribose B) Dihydroxy-acetone D) Glucose
If the detachable co-factor is removed from enzyme the remaining part of the enzyme is called A) Coenzyme C) Holoenzyme B) Prosthetic group D) Activator
The soluble part of cytoplasm or fluid that remains when all organelles are removed is known as A) Solution C) Cytoskeleton B) Gelatin material D) Cytosol
162 capsomeres are present in the capsid of a) adenovirus b) herpes virus c)tobacco virus d) phage virus
The chromosome of the bacteria is stained with the stain called a) aceto carmine b)colchicine c)feulgen stain d) methylene blue
Radiolarian is an example of a)amoebae b)zooflagellate c)actinopods d) foraminifera
Perfect stage of the fungus means a)when the fungus is perfectly healthy b)when the fungus is reproduced asexually c)when it forms perfect sexual spores d) None of these
The intermediate host in the life cycle of taenia saginata a)pig b) goat c) dog d) cattle
Which of the following called blood fluke of man a)Taenia b)Paragonium c)Fasciola d)Schistosoma
whisk fern belongs to subdivision a)pteropsida b) psilopsida c)lycopsida d)sphenopsida
Why is RUBP important in the process of photosynthesis? A)it is the source of phosphate ion b)it is an intermediate in sucrose formation c)it is acceptor molecule for hydrogen
In non-cylic phosphorylation, water molecules are split, oxygen is released and hydrogen is taken up by an acceptor molecule. which one of the following is the hydrogen acceptor? A)FAD b)NAD c)NADP d)PEP
Trypsin converts the food particles a)polypeptide into dipeptide b)dipeptide into amino acids c)peptone into dipeptide d)protein into amino acids
In premature infants, respiratory distress syndrome is common with a gestation age of a) 7-month b)6month c)less than 7-month d) after birth
Which group have an incompletely divided double circulation: a)fish and amphibian b)amphibian and reptiles c)reptiles and birds d)birds and mammals
Which blood cells remain 10-20 hours in the blood a) basophils b) eosinophils c) monocytes d) B and T lymphocytes

Q#2 Attempt any eight of the following (16 marks)

what do you know about amylase and amylopectin
what are apoenzyme and holoenzyme
what is activator gives an example
what is the pH of arginase and sucrose
discuss the taxonomic status of fungi
what is the importance of yeast
what are metazoa and parazoa
what do you know about sycon and spongilla
give two examples of phylum Annelida
what is metamorphosis
what is arachnology
define chemiosmosis

Q#3 Attempt any eight of the following (16 marks)

define community and population
what is geological time scale chart
what is the function of chlorenchyma cells
what are the basic components of cell
what is the contribution of Herbert Copeland in classification
give the scientific name of two types of amoeba
what are choanoflagellates
how foraminiferans obtained food
give the economic importance of family Solanaceae
why bryophytes are called amphibian plants
what are three types of transpiration
what are alary muscles

Q#4 Attempt any six of the following (12 marks)

give the biological classification of corn

what do know about trichome

enlist three functions of oral cavity in human

what do you know the terms facultative and obligate parasite

what is pyrosis

write any two characteristics of the respiratory surface

what is photorespiration give its drawback for plants

what is cutaneous and pulmonary respiration

what is respiratory distress syndrome

LONG QUESTIONS(ATTEMPT ANY THREE OF THE FOLLOWING) (marks 24)

Q#5 (A)write a note on the living world in time
(B)describe the mechanism of opening and closing of stomata

Q#6 (A)what is the difference between fibrous and globular protein
(B)discuss nutrition in fungi

Q#7 (A) write a note on the nucleus
(B) write a note on anorexia nervosa

Q#8(A) compare photosynthesis and respiration in plants\
(B)write a note on polio and smallpox

Q#9 (A)write a note on reproduction in bacteria
(B)describe the evolution of leaf and its importance in vascular plants