Notes Unit 14 Transport 1st Year Biology

Notes Unit 14 Transport 1st year Biology. All notes are according to the new board syllabus for the annual examination 2023. These notes contain important MCQs, short and long questions.

1st Year Biology Notes:

11th Biology chapter 14 transport past papers MCQs, short and long questions. Here are some sample MCQs from unit 14 Biology of Fsc part 1.

The roots of prosopis tree may peneterate deep in the soil upto:
(LHR. 2014) (BWP. GI, 2017)
(A) 5 m
(B) 25 m
(C) 50 m
(D) 70 m

Casparian strips are present in the cells of root:
(GRW. 2018) (RWP. 2019)
(A) Endodermis
(B) Epidermis
(C) Cortex
(D) Pith

Cytoplasmic strands that extend through pores in adjacent cell wall are:
(MLN. GI, 2016)
(A) Plasmodesmata
(B) Plasmofibre
(C) Plasmofilament
(D) Plasmostrand

Casparian strips are present in: (BWP. GI, 2014) (GRW. GI, 2016)
(A) Cortex cells of Roots
(B) Endodermis cells of roots
(C) Cells of pericycle
(D) Cells of xylem vessels

Histamine is produced by: (LHR. GII, 2017) (FBD. GII, 2019)
(A) Neutrophils
(B) Eosinophils
(C) Basophils
(D) Monocytes


Disorder in which haemogobin molecules have F chain instead of B chain is known
as: (LHR. GI, 2017)
(A) Thalassaemia
(B) Leucaemia
(C) Oedema
(D) Emphysema

Cerebral infarction is also known as: (LHR. GII, 2016)
(A) Stroke
(B) Heart attack
(C) Hemorrhage
(D) Hypertension

The condition cause narrowing and hardening of arteries is called: (LHR. GI, 2014)
(A) Atherosclerosis
(B) Necrosis
(C) Sclerosis
(D) Apotosis

Active transport is selective and is dependent on: (AJK. GI, 2017)
(A) Nutrition
(B) Respiration
(C) Digestion
(D) Circulation

The concentration of plasma in the blood is: (SGD. GI, 2014) (AJK. GI, 2016)
(A) 45 %
(B) 50 %
(C) 55 %
(D) 60 %

Liver receives blood from digestive system through: (SGD. GII, 2015)
(A) Portal vein
(B) Hapatic vein
(C) Iliac vein
(D) Hepatic portal vein

The volume of dry seed may increase up to 200 times after absorbing water by:
(LHR. GI, 2014) (RWP. GI, 2015) (BWP. 2019)
(A) Diffusion
(B) Imbibition
(C) Osmosis
(D) Active transport