Home / Everyday Science MCQs / Biology / Stoma, found in the epidermis of leaves closes when guard cells


Stoma, found in the epidermis of leaves closes when guard cells

A. Gain Water

B. Lose Water

C. Exchange gas
D. None of These
Stoma, found in the epidermis of leaves closes when guard cells | Lose Water | CSS, PMS, PPSC, FPSC, KPPSC, SPSC, ISSB and NTS Past Papers | Pakistan's Largest Online Past Papers Database

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Past Papers

PPSC - Assistant Director - Planning & Development Department (P&D) - 2019
PPSC - Junior Clerk - Revenue Department - 2019
PPSC - Deputy Accountant (Morning) - Finance Department - 2019
PPSC - Assistant Protocol Officer - Directorate General Protocol - 0000
PPSC - Planning Officer /Deputy District Officer (Planning) - Planning & Development - 2014
FIA - Sub Inspector (Investigation) - FIA - 2018
PPSC - Sub Inspector - Cooperative Societies Punjab - 2018
PPSC - Assistant Director (Accounts) / Lecturer Psychology 14 Jul 2024 - Higher Education Department & Others - 2024
PPSC - Assistant Director - Local Govt & Community Development - 2018
PPSC - Inspector (BS 16) - Youth Affairs, Sports, Archaeology & Tourism Department - 2019
PPSC - Educator (BS 16) - Education Department Punjab - 2024
PPSC - Labour Officer - Labour and Human Resource Department - 2018
PPSC - Divisional Coach - Youth Affairs, Sports Archaeology & Tourism Department - 2019
PPSC - Inspector - Excise & Taxation Additional Directorate - 0000
SPSC - Assistant Director (BS 17) - Education Department Sindh - 2023
PPSC - Inspector - Excise & Taxation Region (LAHORE) - 0000
PPSC - Inspector - Excise & Taxation (D.G Khan Region) - 0000
PPSC - Lecturer Computer Science IT - Higher Education Department Punjab - 2017
PPSC - Deputy Accountant - Finance Department - 2019
PPSC - Junior Clerk (BS 11) - Anti Corruption Establishment Department - 2020
PPSC - Sub Inspector (BS-14) - Transport - 2019
PPSC - Junior Clerk - S&GAD Punjab - 2019
FIA - Assistant - FIA - 2018
PPSC - DATA ENTRY OPERATORS (DEO) - PUNJAB POLICE DEPARTMENT - 2015
PPSC - ZILADAR (Research/DLR Zone) 14.20G2020 - Irrigation Department - 2020
PPSC - Assistant - S&GAD Punjab - 0000
PPSC - Assistant - Provincial Disaster Management Authority (BOR) - 2021
PPSC - Assistant - Clubbed Cases Various Departments - 2024
PPSC - HEALTH EDUCATOR (BS 17) - PUNJAB DEPARTMENT - 2014
PPSC - Provincial Management Service (PMS) - S&GAD - 2018
PPSC - Labour Inspector - Labour and Human Resource Department - 2018
PPSC - Junior Clerk - Punjab Police Department - 2018
PPSC - EDUCATOR (BS 16) - PUNJAB SPECIAL EDUCATION DEPARTMENT - 2015
PPSC - Assistant - Population Welfare Department - 2019
PPSC - NAIB TEHSILDAR (ENGLISH) (BS 14) - REVENUE DEPARTMENT PUNJAB - 2022
PPSC - ESE General (Afternoon) - Labour & Human Resource Department - 2019
PPSC - PMS General Knowledge - S&GAD - 2020
PPSC - ACCOUNTS OFFICER (BS 16) - FINANCE DEPARTMENT - 2011
PPSC - Assistant Director - Punjab Employees Social Security Institution (PESSI) - 2019
PPSC - Assistants / Head Clerk (BS 16) - Local Government - 2020
PPSC - Assistant (BS 16) - PPSC - 0000
PPSC - Assistant - Disaster Management Department (Board of Revenue) - 2022
PPSC - NAIB TEHSILDAR (GENERAL KNOWLEDGE) (BS 14) - REVENUE DEPARTMENT PUNJAB - 2022
PPSC - Junior Clerk - Punjab Police Department - 2022
PPSC - Lecturer History (Male) - Higher Education Department - 2021
PPSC - Assistant - Agriculture Department - 2020
PPSC - Assistant (BS 16) - (PESS) Labour & Human Resource Department - 2020
PPSC - Data Entry Operator (DEO) - Punjab Police - 2020
PPSC - Assistant - Lahore High Court (LHC) - 2019
PPSC - ASI - Punjab Police (Service Quota) - 2019
PPSC - Assistant - Agricultural Department - 2018
PPSC - ZILADAR (14 19G2020) - Irrigation Department - 2020
PPSC - Assistant Sub Inspector (ASI) - Anti Corruption Department - 2020
PPSC - Assistant - Zakat & Usher Department - 2021
PPSC - Assistant (BS 16) - PPSC - 0000, PPSC - Assistant Director (Accounts) / Lecturer Psychology 14 Jul 2024 - Higher Education Department & Others - 2024
PPSC - Assistant (BS 16) - Board of Revenue - 2022
PPSC - Tehsildar Consolidation Officer/Hill Torrent Officer /Reader to members Board of Revenue (BS 16) - Revenue Department - 2020
PPSC - Sub Inspector (Open Merit) - Punjab Police - 2022
PPSC - ASSISTANT (BPS 16) - PLANNING & DEVELOPMENT DEPARTMENT - 2016
PPSC - Deputy Accountant (BPS 14) - Punjab Treasuries Establishment under the Finance Department - 2012
PPSC - ASSISTANT AUDIT & ACCOUNTS (BPS 14) - PUNJAB FINANCE DEPARTMENT - 2011
PPSC - ASSISTANT (BPS 16) - PPSC - 2016
PPSC - ASSISTANT (BPS 14) - PPSC - 2015
PPSC - JUNIOR CLERK (BPS 11) - S&GAD - 2016
PPSC - JUNIOR CLERK (BPS 07) - PUNJAB PUBLIC SERVICE COMMISSION - 0000
PPSC - DATA ENTRY OPERATOR (DEO) - PUNJAB POLICE DEPARTMENT - 2015
PPSC - Field Assistant - Agriculture Department - 2018
PPSC - INSTRUCTOR (BS 17) - Management and Professional Development Department - 0000
PPSC - Assistant (BS 16) - Chief Minister Office Overseas Pakistanis -
PPSC - Labour Inspector (BS 14) - Labour & Human Resource Department - 2019
PPSC - Assistant Director (BS 17) - Local Government Punjab - 2020
PPSC - Caretaker (BS 14)- Lahore High Court - 2019
PPSC - Personal Assistant & Assistant (BPS 16) - S&GAD - 2020
PPSC - Junior Clerk - Labour & Human Resource Department - 2019
PPSC - JUNIOR CLERK (BPS 11) - S&GAD - 2018
PPSC - Assistant - Labour and Human Resource - 2019
PPSC - Assistant (BS 16) - Livestock & Dairy Development - 2020
PPSC - Junior Clerk - S&GAD Punjab - 2018, PPSC - Lecturer Computer Science IT (BS 17) - Higher Education Department Punjab - 2017
PPSC - Manager (20M2020) - AUQAF - 2020
PPSC - Assistant Director - Labour & Human Resource Department Punjab - 2019
PPSC - Labour Inspector - Labour & Human Resource Department - 2020
PPSC - Assistant - Planning & Development Punjab - 2019
PPSC - Assistant (BS 16) - Punjab Public Service Commission (PPSC) - 0000
PPSC - Labour Officer - Labour & Human Resource Department - 2020
PPSC - Service Center Officials (BPS 11) - Punjab Land Record Authority - 2020
PPSC - Sub Inspector - Punjab Police - 2019
PPSC - Inspector - Cooperative Societies Department Punjab - 2019
PPSC - Junior Clerk - Punjab Public Service Commission (PPSC) - 2019
PPSC - Inspector - Excise & Taxation Department - 2018
PPSC - Assistant Director (BS 17) - Population Welfare Department - 2020
PPSC - Assistant - Services and General Administration Department (S&GAD) - 0000
PPSC - ESE General (Evening) - Labour & Human Resource Department - 2019
PPSC - Service Center Official - Punjab Land Record Authority - 2018
PPSC - Assistant - Housing Urban Development & Public Health Engineering Department (Rawalpindi Region) - 2021
PPSC - Social Security Officer – (PESSI) Labour and Human Resource Department - 2018
PPSC - Field Assistant Crop Reporter - Agriculture Department - 2018
PPSC - Assistants / Head Clerk (BS 16) - Local Government - 2020, PPSC - Assistant - Lahore High Court (LHC) - 2019
PPSC - Inspector - Excise & Taxation (Lahore Region) -
PPSC - Inspector - Excise & Taxation (DG Khan Region) -
PPSC - Junior Clerk (BS 11) - Anti Corruption - 2020
PPSC - Assistant (BS 16) - PPSC - 0001
PPSC - Monitoring & Evaluation Assistant / Field Coordinator - Punjab Employees Social Security Institution - 2019
PPSC - Elementary School Educator (ESE) General - Labour & Human Resource Department - 2019
PPSC - Inspector - Anti Corruption Establishment - 2020
PPSC - Deputy Accountant (Evening) - Finance Department - 2019
PPSC - Inspector (BS 16) - Youth Affairs, Sports, Archaeology & Tourism Department - 2019
PPSC - Caretaker- Lahore High Court (LHC) - 2019
PPSC - Deputy Accountant (Morning) - Finance Department - 2019
PPSC - Deputy Accountant (Evening) - Finance Department - 2019
PPSC - Junior Clerk - Services and General Administration Department Punjab (S&GAD) - 2019
PPSC - Provincial Management Service PMS (Ministerial Quota) - S&GAD - 2019
PPSC - Sub Inspector (Service Quota) - Punjab Police - 2019
PPSC - Personal Staff Officer (BS 17) - S&GAD - 2020
PPSC - Assistant - Punjab Police Department - 2020
PPSC - Inspector (BS 16) - Cooperative Societies - 2024
PPSC - ASSISTANT (BPS 16) - CLUBBED CASES - 2024
PPSC - PMS General Knowledge - S&GAD - 2019
PPSC - Accountant - Local Government & Community Development - 2020
PPSC - PMS GK - 2020 MCQs, PPSC - Assistant - Agriculture Department - 2020
PPSC - FOOD GRAINS INSPECTOR (BS 12) 18J26J2022 (30/04/2023) - FOOD DEPARTMENT - 2023
PPSC - FOOD GRAIN SUPERVISOR (BS 09) - FOOD DEPARTMENT PUNJAB - 2023
PPSC - PMS General Knowledge - S&GAD - 2022
PPSC - PMS General Knowledge - S&GAD - 2022
PPSC - PMS General Knowledge - S&GAD - 2022, PPSC - Assistant Director (Accounts) / Lecturer Psychology 14 Jul 2024 - Higher Education Department & Others - 2024
PPSC - FOOD GRAIN SUPERVISOR (BS 09) Paper 2 - FOOD DEPARTMENT - 2023
PPSC - Junior Clerk (43J2022) - Board of Revenue - 2023
PPSC - Junior Clerk (43J2022) - Board of Revenue - 2023, PPSC - Junior Clerk - Punjab Police Department - 2022
PPSC - FOOD GRAINS INSPECTOR (BS 12) 18J26J2022 (30/04/2023) - FOOD DEPARTMENT - 2023
PPSC - FOOD GRAINS INSPECTOR (BS 12) 18J26J2022 (30/04/2023) - FOOD DEPARTMENT - 2023, PPSC - Junior Clerk - Punjab Police Department - 2022
PPSC - FOOD GRAINS INSPECTOR (BS 12) 18J26J2022 (30/04/2023) - FOOD DEPARTMENT - 2023, PPSC - PMS General Knowledge - S&GAD - 2019
PPSC - ASSISTANT FOOD CONTROLLER (BS 15) 09J17J2022 - FOOD DEPARTMENT - 2023
PPSC - Assistant BS 16 - (Clubbed Cases) - 2023
PPSC - Corporal - Counter Terrorism Department Punjab (BS 11) - 2024
PPSC - Chief Officer / Municipal Officer (BS 16) (Regulations) 11/08/2024 (Morning) - Local Government & Community Development Department - 2024
PPSC - Lecturer English (Male) 9 Jun 2024 - Higher Education Department - 2024
PPSC - Assistant Director (Accounts) / Lecturer Psychology 14 Jul 2024 - Higher Education Department & Others - 2024