41-50: BBDBBBBBBAThis is actually the Neco Gce 2018. Biology answers Answers as questions sent to our subscribers on WHATSAPP, if you are looking for 2021 WAEC/NECO Answers midnight before the exam, try contacting us.
(i) Chlorophyll is a photosynthetic pigment found in the chloroplast of some photosynthetic plant. There are two types, these are chlorophyll A and B.
(ii) Niche is the functional and structural role of an organism in a habitat. Eg A squirrel and a bird lives on the same tree but lives in different condition. A squirrel feeds on nut from the tree, while a wood peckers feeds in insects living in the tree.
(iii) Phenotype is the physical characteristics of an organism which determines the physical structure and looks of the organism they are mostly affected by the genotype and the environment.
-It contains the teeth used for masticating/chewing food.
-It contains the salivary glands and enzyme which helps in breakdown of food and dissolving foods for proper digestion
-Stomach secretes acid and enzymes that digest food
-It helps in regulation of the rate at which partially digested food is delivered to the small intestine
(iii) Small intestine:
-Its job is to absorb most of the nutrients and minerals
-It also receives bile and pancreatic juice through the pancreatic duct
DRAW A WELL LABELLED MAMMALIA SKIN
Afforestation can be defined as the process of planting trees, or sowing seeds, in a barren land devoid of any trees to create a forest.
(i)Establishment of game reserve
(ii)Establishment of zoological gardens
(iii)Stating or promulgation of bye-law's against killing of wild-life animal's
(i)Transportation helps the plant to maintain its osmotic potentials
(ii)It cools the plant
(iii)It prevents plasmolysis and wilting of plant
(i) Light stage
(ii) Dark stage
(i) Tick and cattle
(ii) Mosquito and Human being's skin
(i) Fungi and Lichen
(ii) Rhizobium and leguminisarium plant
(i) By well covering to avoid micro organism from entering it.
(ii) by putting it in a warm temperature region to avoid micro organism inhabitation
(iii) By sterilizing it if the food has been left exposed
(iv)by digging of gutters
Genetics is defined as the study of genes genetic variation and heredity in living organisms
(i)Plant stores complex carbohydrates as starch
(ii)animal store them as glycogen
reflex action, is an involuntary and nearly instantaneous movement in response to a stimulus.
(i)Enzymes are biological catalysts
(ii)They speed up reactions although they are not changed in the reaction
(iii)Enzymes are proteins, and therefore are folded chains of amino acids with a specific shape.
(iv)Enzymes speed up reactions by bringing reactants together and reducing the activation energy required to start the reaction
(i)It takes place in all the living cells of plant.
(ii)This catabolic process continues throughout the day and night.
(iii)Utilizes oxygen and carbohydrates.
(iv)The end products of respiration are carbon dioxide and water.
(v)The energy released from carbohydrates and other respiratory substrates is trapped in ATP (Adenosine Triphosphate) on oxidation. However, some energy is also lost in the form of heat.
(i)It takes place only in the cells containing chlorophyll.
(ii)It takes place only in the presence of light.
(iii)Photosynthesis utilizes carbon dioxide and water.
(iv)The end products of photosynthesis are carbohydrates and oxygen.
(v)During photosynthesis, the light energy is converted into chemical energy in the form of carbohydrate.
(i)regulation of PH
(ii)regulation of osmolarity
(iii)production of hormones
Get all your questions answered about the 0ne-time-only NECO exams for free and get a schedule of events. We will also help you with mock runs, tips on how best to prepare for the exam and even what to wear during the whole process
Are you attempting the 2021 National Examinations Council (NECO) Senior Secondary School Examination (SSCE)? If yes, you can download or copy the timetable for the exam from this page.
2021 NABTEB: NABTEB TIMETABLE FOR 2021/2021 ACADEMIC YEAR PDF DOWNLOAD. 2021 NABTEB TIMETABLE: 2021/2022 NABTEB TIMETABLE Free Download
Joint Admissions and Matriculation Board (JAMB) Form 2021 › See Registration Instructions and Guidelines. JAMB begins 2021 UTME registration, sets June 5 for examination
This is 2021 WAEC Practical Specimens. Are you looking for WAEC specimen 2021? this page is all about 2021 WAEC Practical Specimens: 2021 WAEC Specimen - 2021 WAEC Science Specimens .